34
Troubleshooting
Displayed Message
Intended to Detect
Cause
Solution
InProbe Err
Internal thermocouple
out of range.
Internal thermocouple not
connected.
Thermocouple open.
Thermocouple connected
backwards (reversed polarity).
Call technical service
Check Heater
Excessive top heat-up
time
Internal thermocouple short
circuit.
Failure in Internal thermocouple.
Failure in Element.
Failure in optocoupler/triac
circuit.
Call technical service
ExProbe Err
External Probe left out
of solution.
External Probe left out of solution.
External probe connected
backwards.
Place external probe into
solution.
Over Temp
OTP thermocouple out
of range.
OTP Circuit failure.
OTP potentiometer set too low.
Increase OTP setting.
Check Motor
Motor system failure.
Locked rotor condition.
Failure of motor.
Failure of motor circuit.
Failure of motor sensor.
Free locked rotor.
Call technical service
Error Codes
Error Handler will lock out heating functions if heating
error is detected. Stirring functionality is unaffected. Error
Handler will lock out stirring functions if stirring error
is detected. Heating functionality is unaffected. If the
condition that caused the error is no longer present, the
unit will clear Errors automatically.
Содержание Fisher Scientific HP88857290
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