QSG Section 5-2 Error

Error code Diag. code Device Display Meaning for the LMV5x system Corrective action 01 01 LMV5… Internal Fault Basic Unit ROM error Any # RAM error 01 RAM error in register bank 0 (LMV51...) 02 RAM error in IDATA area (LMV51...) 03 RAM error in XDATA area (LMV51...) 04 RAM error of variables used 05 RAM error variable consistency 06 RAM error reading back test pattern 07 Error RAM test code run Any # Error in connection with data comparison (internal communication) between µC1 and µC2 01 TimeOut during program run synchronization prior to data transmission 02 TimeOut during data transmission 03 CRC error during data transmission 05 TimeOut during program run synchronization with initialization 10 Error counter "Flame intensity outside tolerance" has elapsed Check flame detector signal. If ok, and fault re-occurs, replace LMV5… 11 Error counter "Target phase unequal" has elapsed 12 Error counter "Reset-lockout input unequal" has elapsed 40 Fuel train unequal 41 Relay control word unequal 42 ROM-CRC signature unequal 43 Phase unequal 44 (Key + main loop counter) unequal 04 Unsuccessful synchronization of the 2 µCs Fault with Base Unit (LMV5…) 02 LMV5... Internal Fault Basic Unit LMV5... Internal Fault Basic Unit If fault occurs continously, replace LMV5… If fault occurs sporadically improve EMC. If fault occurs continously, replace LMV5… 03 LMV Quick Start Guide Page 1 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action Any # Fault during test of the flame signal amplifier 01 Fault during test of the flame signal amplifier 02 Crosstalk fault between test pin and flame signal amplifier channel (with LMV52... FSVchannel QRI... / QRB...) 03 Crosstalk fault between test pin and FSV channel ION (Only LMV52...) Any # Fault internal hardware tests 01 Fault during test of the ignition relay 02 Fault during test of the safety relay 03 Fault during voltage supervision test 04 Relay voltage not switched off after reset Any # Basic unit has detected an improper circuit at one of the outputs, a faulty diode, or a short-circuit in the power supply of the contact feedback network. The diagnostic codes indicates the input affected 01 Load controller on / off 02 Fan contact 03 Selection of oil-firing 04 Selection of gas-firing 05 Reset 06 Pressure switch oil maximum 07 Pressure switch oil minimum 08 Pressure switch valve proving 09 Safety valve oil feedback 0A Fuel valve 1 oil feedback 0B Fuel valve 2 oil feedback 0C Fuel valve 3 oil feedback 0D Safety valve gas feedback 0E Fuel valve 1 gas feedback 0F Fuel valve 2 gas feedback 10 Fuel valve 3 gas feedback 11 Safety chain burner flange 12 Safety relay feedback Internal Fault Basic Unit Fault with devices or wiring connected to the Base Unit (LMV5…) Fault with Base Unit (LMV5…) 05 If fault occurs sporadically: Improve EMC. If fault occurs constantly: Replace flame detector or replace LMV5… Fault Flame Detector Test LMV5… / Flame Dect. Fault with Flame scanner (QRI) or Base Unit ( LMV5…) If fault occurs sporadically improve EMC. If fault occurs continously, replace LMV5… 10 Devices conn. To LMV5… Internal Fault Basic Unit 1) Check connections of the neutrals to all of the connected switches, valves, etc... 2) Check for capacitive loads that cause voltage to be present on the terminal after the LMV deenergizes the terminal. If voltage exists on an output terminal, such as a fuel valve, after the LMV denergizes the terminal, this will cause a fault. Voltage must drop to zero on the terminal within about 10 ms after the terminal is de- energized. 06 LMV5… LMV Quick Start Guide Page 2 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action 13 Pressure switch gas minimum 14 Pressure switch gas maximum 15 Ignition transformer feedback 16 Fan pressure switch 17 Start release oil 18 Heavy oil direct start 19 Load controller open 1A Load controller closed 1B Start release gas 11 01 Basic unit has detected a short-circuit in the contact feedback network Any # Fault Positioning Actuator or Fan Speed not reached LMV5...has detected a positioning error on one or several actuators. Could also be the VSD module if equipped 01-3F The diagnostic value is made up of the following faults or their combinations (the individual diagnostic codes are added up in hexadecimal format) Indicated that more than one actuator / VSD has problems. 01 Air Act. Positioning fault air actuator 02 Fuel Act. Positioning fault fuel actuator 04 Aux1 Act. Positioning fault auxiliary actuator 1 08 Aux2 Act. Positioning fault auxiliary actuator 2 10 VSD module Fan Speed Not Reached The fan in combination with the VSD has not reached the required speed 20 Aux3 Act. Fault Positioning Actuator Positioning fault auxiliary actuator 3 If error occurs on one actuator only : 1) Ensure torque requirements of dampers / valves is less than Actuator output. 2) Verify that no damper / valve is bound. 3) Replace actuator. If error occurs on multiple actuators (01-3F) : 1) Verify that the CanBus wiring is correct. 2) Verify that shields (screens) on CanBus cable are connected properly. If error occurs on VSD : 1) Check speed sensor on motor for correct installation, especially gap between sensor and wheel. 2) Check for filters, damping and or delays on the input signal to the VSD. The VSD should respond to the input signal in a linear fashion. 15 Fault Positioning Actuator Fault with devices or wiring connected to the Base Unit (LMV5…) Fault with Connected actuators or VSD Devices conn. To LMV5… Internal Fault Basic Unit Act. / VSD Control 10 1) Check connections of the neutrals to all of the connected switches, valves, etc... 2) Check for capacitive loads that cause voltage to be present on the terminal after the LMV deenergizes the terminal. If voltage exists on an output terminal, such as a fuel valve, after the LMV denergizes the terminal, this will cause a fault. Voltage must drop to zero on the terminal within about 10 ms after the terminal is de- energized. LMV Quick Start Guide Page 3 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action Any # Basic unit has detected a plausibility fault in the ratio control system.The diagnostic code describes the cause of the fault. 00 Ratio curve of the air actuator is not fully defined 01 Ratio curve of the fuel actuator is not fully defined 02 Ratio curve of auxiliary actuator 1 is not fully defined 03 Ratio curve of auxiliary actuator 2 is not fully defined 04 Ratio curve of auxiliary actuator 3 is not fullydefined 05 VSD curve is not fully defined 0A Calculated P-part outside the permissible range 0B Calculated I-part outside the permissible range 0C Calculated system delay time outside the permissible range 0D Calculated O2 setpoint outside the permissible range 0E Calculated O2 min. value outside the permissible range 0F Calculated O2 ratio value outside the permissible range 03 The load / point number predefined by the AZL… lies outside the permissible range If fault occurs sporadically improve EMC. If fault occurs continously, replace LMV5… 14 Calculated standardized value lies outside the permissible range Check if the correct values have been entered for the standardized values. Readjust O2 trim control, if required, or repeat the settings 20 With hysteresis compensation: Permissible target positioning range exceeded 21 The load / point number predefined by the AZL… lies outside the permissible range 22 With a switch instruction, none of the defined cases was satisfied 23 With the switch instruction, no defined ratio control phase has been identified 40 Unplausible target positions 16 LMV5… Insure that actuators that are addressed and activated have their positions defined. Check curve points to see if correct values have been entered for the actuator or VSD. Readjust the ratio curve, if required If fault occurs sporadically improve EMC. If fault occurs continously, replace LMV5… Internal Fault Basic Unit Check parameters ( P Low-Fire, I Low-Fire, Tau Low Fire, P High-Fire, I High-Fire, Tau High-Fire) These values nomally self-set when the delta-time is measured. Check the values of these parameters against the maximum and minimum ranges. Readjust O2 control curve if necessary. The O2 control curve must be 1% O2 lower than the % O2 measured at the ratio control curve, and 0.5% above the O2 guard curve. Readjust curves. Fault with Base Unit (LMV5…) Ratio Control, O2 Trim, VSD LMV Quick Start Guide Page 4 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action Any # (Internal) communication error of ELV 3F Detection of different data when making the data comparison 01 Timeout with program synchronization prior to data transmission 02 Timeout with data transmission 03 CRC fault during data transmission 18 Any # Invalid Curve Data Corruption in the combustion curve data Vaules on curve should be within 0.0 % - 100.0 % for load and VSD, 0.0° - 90.0° for actuators. If possible, adjust curve values back into the valid range. If this fault occurs on a unit that was functioning correctly after commisioning, replace LMV5... Any # Basic unit (ratio control system) has detected a fault when comparing potentiometer channels A and B. Diagnostic code shows on which actuator the fault occurred. See diagnostic code 01..2F The diagnostic value is made up of the following faults or their combinations (the individual diagnostic codes are added up in hexadecimal format) 01 Air Act. 02 Active Fuel Act. 04 Aux 1 Act. 08 Aux 2 Act. 20 Aux 3 Act. Fault with Actuator or CANBus cabling Act. Internal Fault Actuator Fault with Base Unit (LMV5…) If fault occurs sporadically improve EMC. If fault occurs continously, replace LMV5…17 Internal Fault Basic Unit LMV5… 19 1) Check CANBus cabling. Ensure that all cable shields (screens) which are located in the cable sheath are terminated correctly at each actuator, O2 module, and at the LMV5x... 2) Check each CANBus Connector to ensure proper termination (no conductors exposed on the back of the plug) 3) If fault occurs sporadically: Improve EMC. 4) If fault occurs constantly: Replace actuator according to diagnostic code. Fault occurred on the indivudual actuator (see diagnostic code) when comparing potentiometer channels A and B LMV Quick Start Guide Page 5 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action 1A 01 Slope too steep A section of actuator curve is too steep. Check maximum slope sections of actuator curves. Maximum allowabe slopes are as follows: - 3.6° per 0.1 % Load (30 sec ramp) - 1.8° per 0.1 % Load (60 sec ramp) - 0.9° per 0.1 % Load (120 sec ramp) If these maximums are exceeded, adjust curve section below these maximum slopes. 1B Any # Operation in Parameter Setting Mode Quit Curve Parameters (actuator curves) programming mode is still active in Phase 62 (drive to low fire and shutdown) and the target positions (normal operation) have not been reached. When setting the curve parameters, the plant should be operated in manual mode with “Burner on“. This prevents the internal load controller from triggering the change to shutdown. Response of the internal Temperature Limiter can trigger this same fault. However, the curve point currently being set can still be stored in standby or lockout. Any # Ignition positions for activated actuators (or VSD) have not been set. See diagnostic code to indicate the faulted actuator. 01..3F The diagnostic value is made up of the following faults or their combinations (the individual diagnostic codes are added up in hexadecimal format) 01 Ignition position for air actuator not set. 02 Ignition position for active fuel actuator not set. 04 Ignition position for aux1 actuator not set. 08 Ignition position for aux2 actuator not set. 10 Ignition position for VSD not set. 20 Ignition position for aux3 actuator not set. Fault with Actuator (VSD) Positioning, Actuator (VSD) Run Time Ignition Pos not defined Set the ignition position of the actuator(s). The ignition positions for each fuel are independent, and the positions are also independent of the low fire position. LMV5… 1C LMV Quick Start Guide Page 6 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action Any # Running time fault of actuators or VSD. 01..3F The diagnostic value is made up of the following faults or their combinations (the individual diagnostic codes are added up in hexadecimal format) 01 Fault Running Time Air Actuator Running time fault of air actuator 04 Fault Running Time Aux Actuator Running time fault of auxiliary actuator 1 08 Fault Running Time Aux Actuator Running time fault of auxiliary actuator 2 10 VSD / LMV5.. Fault Running Time VSD Running time fault of VSD 20 Act. / LMV5... Fault Running Time Aux Actuator Running time fault of auxiliary actuator 3 Any # Act. / LMV5.. / VSD Basic unit has detected that 1 / several actuators (incl. VSD module) has / have not reached the special position pertaining to the Phase 01..3F The diagnostic value is made up of the following faults or their combinations (the individual diagnostic codes are added up in hexadecimal format) 01 Positioning fault of air actuator 02 Positioning fault of fuel actuator 04 Positioning fault of auxiliary actuator 1 08 Positioning fault of auxiliary actuator 2 10 VSD Sys. VSD has not reached the speed 20 Act. Positioning fault of auxiliary actuator 3 1) Check parameters (TimeNoFlame) and (OperatRampMod). These should be set to values greater than the ramping timeof the attached actuators or VSD. 2) Check connected actuators to determine if their torque rating is being exceed (stuck damper or valve etc...) 3) Check the two 12V fuses located under black covers on the right side of the LMV5... 4) Check the CANBus power supply (blue or black transformer) Pin 1 and Pin 4 should have 12VAC to reference ground which is pin 2. Voltage betwen Pin 1 and Pin 4 should be 24VAC. Fault with Actuator (VSD) Positioning, Actuator (VSD) Run Time LMV5…/ Act./ VSD Fault Running Time Act. / LMV5... 1D 1) Check connected actuators to determine if their torque rating is being exceed (stuck damper or valve etc...) 2) Check the two 12V fuses located under black covers on the right side of the LMV5... 3) Check the CANBus power supply (blue or black transformer) Pin 1 and Pin 4 should have 12VAC to reference ground which is pin 2. Voltage betwen Pin 1 and Pin 4 should be 24VAC. 4) If a VSD is being used, check for filters, damping and or delays on the input signal to the VSD. The VSD should respond to the input signal in a linear fashion. See Error Code 15 Act. Special Pos not reached1E LMV Quick Start Guide Page 7 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action Any # VSD Sys. Code for VSD Module Fault Basic unit has detected a fault in connection with the VSD module 01 VSD Module Speed Acquisition faulty Internal VSD module test was not successful 02 Wrong Direction of Rotation Fan rotates in the wrong direction 1) Check to see if the motor’s direction of rotation is correct. Reverse if necessary 2) Check to see if the arrow on the speed wheel points in the correct direction of rotation. Reverse if necessary. 03 Speed Acquisition faulty Pulse sequence and length at the speed input were different from those anticipated 04 Standardization canceled because of VSD Fan was not able to keep the standardized speed at a constant level 05 Standardization canceled because of Air Actuator Air actuator (or air influenced actuator) has not reached the prepurge position. For this reason, speed standardization is not possible 1) Check to see if all air-influencing actuators travel to the prepurge position and remain in that position for the VSD standardization. 2) Ensure torque requirements of air influencing dampers / valves is less than Actuator output. 3) Verify that no air influencing damper / valve is bound. 4) Check CanBus power suppy and CanBus fuses (FU 2 and FU3) 06 Speed Test was not successfully completed Internal VSD module speed test was not successful If fault occurs sporadically improve EMC. If fault occurs continously, replace LMV5… 21 Any # Safety Loop open Limit switches wired into the saftey loop have opened (such as low water or High Limit) Check all switches wired into the saftey loop circuit. This also includes the burner flange circuit. 22 Any # Internal Temp Limiter has responded Internal TL has switched off because parameterized value has been exceeded Check the burner / boiler temperature, sensor located on Input 1 and / or Input 4 Devices conn. To LMV5… If fault occurs sporadically improve EMC. If fault occurs continously, replace LMV5… 1) Check the gap between the speed wheel and the sensor. The gap shold be about 1/16" of an inch (2mm) or about two turns out. 2) Check the wiring of the speed sensor. Ensure reference ground is connected. Fault with devices or wiring connected to the Base Unit (LMV5…) 1F VSD Sys. Fault with VSD Module LMV Quick Start Guide Page 8 Section 5-2 Error code Diag. code Device Display Meaning for the LMV5x system Corrective action Any # Extraneous Light on Startup Basic unit has detected extraneous light during startup 00 Extraneous Light on Startup Basic unit has detected extraneous light during startup 01… 03 Extraneous Light on Startup (LMV52 only) Basic unit has detected extraneous light during startup 0 = QRI, 1 = ION or UV, 2 = Both Any # Extraneous Light on Shutdown Basic unit has detected extraneous light during shutdown 00 Extraneous Light on Shutdown Basic unit has detected extraneous light during shutdown 01… 03 Extraneous Light on Shutdown (LMV52 only) Basic unit has detected extraneous light during shutdown 0 = QRI, 1 = ION or UV, 2 = Both Any # No Flame at End of Safety Time No flame detected at the end of safety time TSA1 00 No Flame at End of Safety Time No flame detected at the end of safety time TSA1 01… 03 No Flame at End of Safety Time (LMV52 only) No flame detected at the end of the safety time. 0 = QRI, 1 = ION or UV, 2 = Both Any # Loss of flame during normal operation (Phase 60-62) 00 Loss of flame during normal operation (Phase 60-62) 01… 03 (LMV52 only) Loss of flame during operation detected. 0 = QRI, 1 = ION or UV, 2 = Both 27 Air Pressure on Air pressure = on, but should have been off 28 Air Pressure off Air pressure = off, but should have been on 29 Fan Contactor Contact is on FCC signal = on, but should have been off 2A Fan Contactor Contact is off FCC signal = off, but should have been on Any # Fault with devices or wiring connected to the Base Unit (LMV5…) 1) Ensure that the source of extraneous light is not a flame. If it is a flame, take corrective action immediately. 2) If the QRI scanner is used, ambient light can cause an extraneous light error. Ensure sensor is viewing a dark area such as the inside of a boiler. 3) If the QRI scanner is used, check for glowing refractory. If glowing refractor is the cause, the postburn time may need to be lengthened or a UV scanner may have to be used. 1) With a piloted gas train, this means that the pliot did not light. Check wiring of ignition transformer and pilot valve. 2) Check manual shutoff valves for the pilot gas. 3) Check position of air damper. Close further if necessary. Pilot may be blowing out. 4) Check flame detector for signal in the presence of flame using a flame source. Replace if detector does no