Focus Curvifocus, Installation, Servicing And User Instructions Manual

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21
FUNCTION POSSIBLE CAUSE REMEDY
4
Pilot lit. No TC- and SW-cable reversed.
Check connection of cable to receiver and
interrupter. See figure 1.
OK Magnet unit not operating properly. Replace gas valve or (magnet unit).
Short between interrupter and SW-cable. Check connection to interrupter.
No gas (magnet unit drops after 30 second
audible count).
Check gas supply.
5
Sparking stops after
pilot is lit.
No Short between interrupter and TC-cable. Check connection to interrupter. See figure 1.
OK Electronic measuring amplifier defective. Replace Receiver. See wiring diagram, p. 23.
6
Motor turns to main
gas and pilot stays
lit.
No Resistance in thermo current circuit too high.
Check cable in thermo-current circuit.
See wiring diagram, p. 23.
Magnet
unit
drops
(audible
sound).
Not enough heat on thermocouple.
Check position of pilot to thermocouple and
intensity of pilot flame.
Low voltage from thermocouple.
Replace thermocouple Do not overtighten (hand
tight +1/4 turn max).
Short because thermocouple end is damaged
or not centered.
Replace thermocouple. Do not overtighten (hand
tight +1/4 turn max).
No
IGN-sequence stops. No reaction to
transmitter command (Controller crashes).
Press RESET button.
See “Setting the Electronics Code” p. 23.
OK Add ground wire between pilot burner and valve.
See wiring diagram, p. 23.
Do not coil the IGN-cable.
Shorten IGN-cable if possible (no longer than 900 mm).
See wiring diagram, p. 23.
Appendix