Error Codes - Lockout, Blocking And Notification - Lochinvar 40 - 120 User's Information Manual

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Operating information
Table 4-2 Lockout, Blocking and Notification Codes
E00
E01
E02
E04
E05
E06
E07
E08
E09
E11
E12
E13
E15
E18
E19
E21
E22
E23
b01
b02
b03
b04
b05
b06
Notification Codes (Unit is still Running)
n01
n02
n03
n04
n05
n06
n07
n08
n09
Error Codes with Explanation
Lockout Codes
Invalid Lockout
Memory Lockout
Fan Speed Fault
Flow Switch Fault
Flame Out of Sequence
Auto Reset Hi Limit
Air Pressure Switch
Heat Exchanger Limit
Auxiliary Limit
No Flame Running
No Flame Ignition
Flue Temperature Limit
Manual Reset Hi Limit
Outlet Sensor Differential
Flue Sensor Open/Short
Outlet Sensor Open/Short
Inlet Sensor Open
Inlet Sensor Short
Blocking Codes
Setpoint Met
Anticycling
Outlet Temperature Too High
Delta T Too High
Flue Temperature Too High
Low Voltage
Fan Limited due to No Flue Sensor Change
Fan Limited due to High Outlet Temperature
Fan Limited due to High Delta T
Fan Limited due to High Flue Temperature
Fan Increased due to Low Flame Current
DHW Sensor Fault (Combi Only)
Inlet Sensor Open
Inlet Sensor Shorted
Outdoor Sensor Required
(continued)
User's Information Manual
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