Spitfire – Maintenance Manual
242
AP-74096, Rev. 1.0, 09/06/05
7.16. BOARD CHECKLIST
7.16.1. Power supply board.
ON OFF Flashing
Green LED on Power
Supply
Power supply works ok Power supply is not
working.
→ 220V/110V?
→ Load connected to
PS?
→ Error message on
Spitfire: “Heat system not
found”(*)
Power supply is not
starting.
→ Load connected?
→ Restart machine (wait
10 sec after power off)
→ Error message “Heat
System Not Found” (*)
→ Damaged power
supply → replace
Notes :
(*) In case of this error message, it is possible that the supply does not work due to a
snubber problem on the power distribution board (EY-80203). 3 possibilities:
Æ Snubber resistor cut with cap=100nF (Malfunction is not caused by the snubber)
Æ Resistor not cut, capacitor = 4,7nF (disc shape) (Malfunction is not caused by
the snubber)
Æ Resistor not cut, capacitor = 100nF (rectangular shape), malfunction may be
caused by snubber, so cut resistor.
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