3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529
com
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mrclab
@
mrc
Section 6
Troubleshooting
Power
troubles
Cause
Corrective action
Unsuitable power supply
Meet the electrical requirements of this
equipment before use.
Loose power connection
Reconnect the power cord firmly to the
power outlet as well as to the power
socket at the back of the instrument.
Damages in power cords,
Power outlets, plug, controller
Replace the damaged part with a
proper one.
No Power
Internal circuit failure
Contact MRC for service
Electrical overload
Disconnect all the appliances connected
to the breaker first and reconnect them
one by one to find the reason for the
overload.
Damages in heating element
Contact MRC for service.
Repetitive tripping of
circuit breaker
Internal circuit failure
Contact MRC for service.
Main switch failure
Contact MRC for service.
Controller failure
Contact MRC for service.
No operation with
power on
Internal circuit failure
Contact MRC for service.
Operation
troubles
Cause
Corrective action
Temperature sensor is
disconnected
Connect the temperature sensor
Too low setting of the
temperature controller
Increase the temperature setpoint
Heating element failure
Contact MRC for service.
No heat
Internal circuit failure
Contact MRC for service.
Too low setting of the
heating rate
Increase the temperature setpoint
Too much media
Reduce the media volume.
No or too slow
temperature
change during heating to
increase the heating rate
Internal circuit failure
Contact MRC for service.
Internal circuit failure
Contact MRC for service
Switches malfunction
Damaged switches
Contact MRC for service.
Stirring knob malfunction
Damaged knob
Contact MRC for service.
