73
Corrections
1.1.1 Fix leakage.
1.1.2 Replaces the faulty heating
elements.
1.1.3 Replace the faulty pressure switch.
1.1.4.1 Reset the cut-off
thermostat. If it does not
help – replace it.
1.1.5.1 Reset the cut-off
thermostat. If it does not
help – replace it.
1.1.5.2 Fix connection.
1.1.5.3 Replace faulty contactor.
1.1.6.1 Clean the contaminated
electrode.
1.1.6.2 Replace faulty electrode.
1.1.6.3 Fix electrode electrical
connections.
1.1.6.4.1 Clean clogged
piping.
1.1.6.4.2 Replace water
pump.
1.1.6.4.3 Replace non-
return valve.
Possible cause check-up and tests
1.1 Low temperature and low pressure.
1.1.1 Check leakage from the chamber or from
the jacket.
1.1.2 Faulty heating element.
1.1.3 Faulty pressure switch.
1.1.4 On model 2540 only:
1.1.4.1 Cut-off thermostat disconnects
the heating element.
1.1.5 On model 3870 only:
1.1.5.1 Cut-off thermostat disconnects
command to the contactor that
disconnects the heating element.
1.1.5.2 The contactor is disconnected.
1.1.5.3 Faulty contactor.
1.1.6 Lower water level electrode does not sense
water. Possible cause:
1.1.6.1 Contaminated electrode.
1.1.6.2 Faulty electrode.
1.1.6.3 Electrode disconnected.
1.1.6.4 Low or no water inlet and water
pump operates too often.
1.1.6.4.1 Water inlet pipe to the
chamber is clogged.
1.1.6.4.2 Faulty water pump.
1.1.6.4.3 Water-inlet Non-
return valve is stuck.
10. TROUBLESHOOTING (cont.)
10.2 Preliminary Troubleshooting
Symptom
1. “Low temp” is displayed
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