75
Corrections
3.1.1
Fix leakage from chamber and
jacket.
3.1.2
Replace the faulty heating element.
3.1.3
Replace the pressure switch.
3.1.4.1
Reset the cut-off
thermostat. If it does not
help – replace it.
3.1.5.1
Reset the cut-off
thermostat. If it does not
help – replace it.
3.1.5.2 Fix
connection.
3.1.5.3
Replace faulty contactor.
3.1.6.1
Clean the contaminated
electrode.
3.1.6.2
Replace faulty electrode.
3.1.6.3
Fix electrode electrical
connections.
3.1.6.4.1 Clean
clogged
piping.
3.1.6.4.2 Replace
water
pump.
3.1.6.4.3 Replace
non-
return valve.
3.1.7
Replace faulty water pump.
3.1.8
Clean clogged pipe and/or filter.
Possible cause check-up and tests
3.1
Pressure and temperature are low.
3.1.1
Leakage from the chamber or from the
jacket.
3.1.2
Faulty heating element.
3.1.3
Pressure switch faulty or adjusted to low
pressure.
3.1.4
On model 2540 only:
3.1.4.1
Cut-off thermostat disconnects
the heating element.
3.1.5
On model 3870 only:
3.1.5.1
Cut-off thermostat disconnects
command to the contactor that
disconnects the heating element.
3.1.5.2
The contactor is disconnected.
3.1.5.3 Faulty
contactor.
3.1.6
Lower water level electrode does not sense
water. Possible cause:
3.1.6.1 Contaminated
electrode.
3.1.6.2 Faulty
electrode.
3.1.6.3 Electrode
disconnected.
3.1.6.4
Low or no water inlet and water
pump operates too often.
3.1.6.4.1
Water inlet pipe to the
chamber is clogged.
3.1.6.4.2
Faulty water pump.
3.1.6.4.3
Non-return valve on
water inlet pipe is
stuck.
3.1.7
Faulty water pump.
3.1.8
Water inlet pipe and/or filter are clogged.
10. TROUBLESHOOTING
(cont.)
10.2 Preliminary Troubleshooting
(cont.)
Symptom
3.
“Low press” is displayed
Summary of Contents for 2540 EHS
Page 10: ...9 REAR VIEW...
Page 17: ...16 Layout diagram of the ANL T2 is provided below ANL T2 BOARD Top View Bottom View...
Page 19: ...18 AC T1 BOARD Top View Bottom View...
Page 30: ...29 6 4 Input Output Graph...
Page 31: ...30...
Page 32: ...31...
Page 33: ...32...
Page 34: ...33...
Page 35: ...34...
Page 66: ...65...
Page 68: ...67...
Page 120: ...119 VESSEL ASSEMBLY Model 2540 EHS Model 3870 EHS...
Page 121: ...120 OUTER CABINET ASSEMBLY Model 2540 EHS Model 3870 EHS...
Page 122: ...121 TRAY HOLDER For model 2540 TRH254 0009 For model 3870 TRH387 0001...
Page 126: ...125 PIPING DRAWING FOR 2540 EHS...
Page 127: ...126 PIPING DRAWING FOR 3870 EHS...
Page 128: ...127 ELECTRICAL DRAWING FOR 2540 EHS...
Page 129: ...128 ELECTRICAL DRAWING FOR 3870 EHS TILL S N 2307039...
Page 130: ...129 ELECTRICAL DRAWING FOR 3870 EHS AFTER S N 2307040...