Truma Combination Boiler Fault Finding; Truma Combi 2/4 Operating Instructions - Swift Tourer Owner's Handbook Manual

Trouble shooting list
Fault
Clock is not shown
Activated timer is not shown anymore
Room temperature is not shown
Device does not react anymore
Heater / display does not react
If these measures do not rectify the problem,
please contact the next Truma service point
(See Truma service book or www.truma.com)
Truma Combi 2/4
1 2 3
Rectification / Cause
Set clock
Power supply was interrupted
Heater not active
Interrupt power supply for 10 seconds
Check 12 V supply voltage
1 Control panel
2 Power selector switch
3 CP25 Controller (see previous section)
4 Room temperature sensor
5 Cold water connection
6 Hot water connection
7 Gas connection
8 Hot air outlets
9 Recirculated air intake
10 Waste gas discharge
11 Combustion air infeed
12 Electronic control unit
13 Water container (10 litres)
14 Burner
15 Heat exchanger
16 Power electronics
17 Heating elements 230 V
18 Overheating switch 230 V
For details of the CP25 Combi Controller (3)
see previous section, this section refers to
operation of the combi with seperate control
panel (1) and power selector switch (2).
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