Lochinvar compliance Error Code
.diagrams to troubleshoot unit. 3.Actual con eadtoo aleaana e(A viringmustbeinst
Source: whb055n__loc-knight-fire-tube-boiler-wall-mount-whb55-399-models-iom.pdf
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Other Lochinvar Error Codes
Meaning The function code received in the query is not an allowable action for t
only applicable to newer 01 ILLEGAL FUNCTION devices, and was not implemented in
“"llegal Data Address" since it attempts to operate on registers 96, 97, 98, 99
present Check ModBus communication for error codes (see page1. Blocking Codes (l
40. 161 = EEPROM code Parameters not Re-Programmed by Lochinvar EEPROM code No R
Reset High Limit 166 = 167 = EEPROM code Blocked Drain EEPROM code Louver Provin
Pressure Sw EEPROM code Flow Switch 170 = Sensor 3 short (Flue Sensor) 177 = 178
Dog 229= 230= EEPROM code fan low (should be high) EEPROM code fan high (should
flame when running 232= 233= EEPROM code no flame after ignition EEPROM code sim
active not Closed EEPROM code APS active not Open 236= EEPROM code flame out of
gas valve relay test fails 239 = EEPROM code MRHL 240= 32767 = Code not present
per either N.E.C. in USA or C.S.A.inCanada. Figure10-2WiringDiagram_Knight/Knigh