Specifications

HEATER PROBLEMS

Is power getting through

the thermal trip?

(check 240V / 110V)

THERMAL TRIP

FAULT – RESET /

REPLACE

Is power getting to the

thermal trip?

(check 240V / 110V)

See PCB

PROBLEMS

Disconnect power and remove power loom from element connectors

Is power getting to the heater?

(check 240V / 110V)

Measure across the elements for continuity and check for earth leaks

Normal Ohms reading?

OPEN CIRCUIT

HEATER -

REPLACE

See PCB

PROBLEMS

Earth leakage?

See PCB

PROBLEMS

OPEN CIRCUIT

HEATER -

REPLACE

Is the heater heating?

Overheating

CHECK

CALIBRATION

Check thermocouple

OK?

REPLACE

HEATER

YES