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Fault finding guide,
Fault finding,
con-
tinued
34
continued
Problem
No heating action possi-
ble.
Power light is green.
Heat indicator lamp is
red.
Fans stop running.
Fan light is red
Cause
Overheat thermostat failure
or loose electrical connec-
tion
Internal temperature protec-
tion in either condenser or
evaporator fan motor has
cut-out
Action
Allow temperature to drop
before pressing the reset
button on top of ACU
Check for blocked fan(s).
Check for loose connec-
tors
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