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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 specifi 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 certifi 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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