Operating instructions

13
User’s Information Manual
4 Operating information (continued)
E00 Invalid Lockout
E01 Memory Lockout
E02 Fan Speed Fault
E04 Flow Switch Fault
E05 Flame Out of Sequence
E06 Auto Reset Hi Limit
E07 Air Pressure Switch
E08 Heat Exchanger Limit
E09 Auxiliary Limit
E11 No Flame Running
E12 No Flame Ignition
E13 Flue Temperature Limit
E15 Manual Reset Hi Limit
E18 Outlet Sensor Differential
E19 Flue Sensor Open/Short
E21 Outlet Sensor Open/Short
E22 Inlet Sensor Open
E23 Inlet Sensor Short
b01 Setpoint Met
b02 Anticycling
b03 Outlet Temperature Too High
b04 Delta T Too High
b05 Flue Temperature Too High
b06 Low Voltage
n01 Fan Limited due to No Flue Sensor Change
n02 Fan Limited due to High Outlet Temperature
n03 Fan Limited due to High Delta T
n04 Fan Limited due to High Flue Temperature
n05 Fan Increased due to Low Flame Current
n06 DHW Sensor Fault (Combi Only)
n07 Inlet Sensor Open
n08 Inlet Sensor Shorted
n09 Outdoor Sensor Required
Error Codes with Explanation
Lockout Codes
Blocking Codes
Notification Codes (Unit is still Running)
Table 4-2 Lockout, Blocking and Notification Codes