Fault Finding
8
OPERATIONAL FAULTS
FAULT FUNCTIONS
OTHER
INDICATORS
CAUSE
Proofer not operating No Proofer functions possible Not plugged in
Power supply switch off
Fuse blown or Circuit breaker tripped
Power cord damaged
Function Switch
Neon off Proofer switch on Proofer does not operate Function Switch
Proofer operates Neon
No heat Proofer switch on Heat Neon on Element
Heat neon off Thermostat
No Fan Proofer switch on Fan motor
Light off Proofer switch on Lamp
Fus
e
No Water in tank Proof switch on Humidity Neon off Float switch
Relay
Water solenoid
No Humidity Proof switch on Humidity Neon on No water in tank
Water
thermostat
Water
Elemen
t
Door does not fully close Door seal incorrectly fitted
Tray in way of door.
Door not fitted correctly
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