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Fault code chart
Remarks!
Please refer also to the technical documentation for the air heater for information on the above
faults, causes and solutions.
7.0 Disposal of the OptiTherm.
When the OptiTherm is replaced or removed, it must be recycled or destroyed in accordance
with national and/or local legislation and regulations.
Code Meaning
Cause
01
Ignition failure
Ignition has failed (three attempts at ignition).
02
Gas valve relay/T max.
Maximum thermostat is open
03
Gas valve
Gas valve faulty / Wire connecting the gas valve to the
burner control box is open-circuit or has been incor-
rectly connected.
22
Air compression switch
The air compression switch is not open
23
Filters/system fan
Filter is dirty/system fan has suffered a thermal failure
24
Air compression switc
The air compression switch is not off
25
T max.
Maximum thermostat is open
31
Too many attempts to restart Flame goes out (3x) when the device is in operation.
65
Phase and zero back to front Phase and zero not connected correctly
73
Ambient temperature sensor Ambient temperature sensor interrupted
76
System sensor
System temperature sensor interrupted
81
Ambient temperature sensor Ambient temperature sensor has short circuited
84
System sensor
System temperature sensor has short circuited
When a different error code displayed on the thermostat appears, press the Reset button in first. If the
fault then come back, please contact the vendor of the device.
Содержание optitherm 06 29 191
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