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IHL_UDARA_2016_11_04_BEGB
6.9 Error
codes
If the appliance is in an unsafe situation, the control
will be locked. Next, you must unlock the appliance by
pressing the reset button (see item 6.4.2).
The following table lists the most frequent codes that
will lead to the appliance being locked. If a speci
fi
c
error returns regularly, ask for advice from the installer
or manufacturer.
Error
Meaning
E133
No ignition
E134
Gas valve open - no gas fl ow
E135
Internal error
E110
Safety thermostat open
E128
Flame signal lost 12 x
E129
Flame signal lost 12 x, max. gas control block current
E130
Flue gas temperature too high
E164
Flame signal wrongly present
E09
Gas valve error
E15
Gas valve error
E19
Discharge air temperature too high (TSP #2)
E19
Intake temperature too high (TSP #4)
E28
NTC 4 faulty (fl ue gas)
E20
NTC 2 faulty (air temperature)
E05
NTC 5 problem (air temperature/overheat control)
E21
NTC 5 faulty (air temperature/overheat control)
E22
NTC 5 / NTC 2 deviation too large
E23
NTC 3 faulty (optional - discharge air temperature)
E40
NTC 1 fault (intake temperature)
E10
NTC outdoor temperature fault
E160
Problem with fl ue gas fan
E53
Problem with fl ue gas outlet
E83
No communication with thermostat
E98
Internal error
E71
Fan outside range in calibration mode
E72
Poor combustion in calibration mode
E162
Incorrect frequency
E79
Control current of the gas valve too high
E78
Control current of the gas control block too low
E55
Calibration not performed
E165
Voltage too low
E77
Control current of the gas control block outside the operational area
The following error codes do not lead to a locking
fault, but are saved in the burner management con-
trol system for a possible later analysis by a certi
fi
ed
engineer.
Error
Meaning
E62
Flame unstable (wind) on low power
E63
Combustion quality outside operational area
E65
Speed limit of the combustion correction exceeded
E66
Obstruction in the FGO on minimum power
E67
Flame unstable (wind) on high power
E69
Combustion unstable during self-test
E70
Flame power signal problem
E73
Flame power signal active
E77
Control current of the gas control block outside the operational area
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