Caltech Calaer 2 kW, Installation Manual

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15. Troubleshooting
51
15.3 Failure codes
Failure of the heater operation will be made visible to the user by an error
code, consisting of a series of short and long flashes of the light on the
control knob. The coding of the error codes are as follows:
Long flash (
▬
): Approx. 0.5 seconds.
Short flash ( ▪ ): Approx. 0.2 seconds.
F01 Ignition failure
1 long 5 short
▬
▪ ▪ ▪ ▪ ▪
F02 Flame loss
2 long 5 short
▬ ▬
▪ ▪ ▪ ▪ ▪
F03 Under/overvoltage
3 long 5 short
▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F04 System overheat
4 long 5 short
▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F05 Ignition sensor open load
5 long 5 short
▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F06
The temperature sensor
open load or shortcut 6 long 5 short
▬ ▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F07
Fuel pump open load or
shortcut 7 long 5 short
▬ ▬ ▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F08
Fan motor open load or
shortcut
8 long 5 short
▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F09
Glow plug open load or
shortcut 9 long 5 short
▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F10
Overheating sensor open
load or shortcut
10 long 5 short
▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F11
Ignition open load or
shortcut 11 long 5 short
▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪
F12
Flame not extinguished
during delayed shutoff
12 long 5 short
▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬
▪ ▪ ▪ ▪ ▪