Tuttnauer 6671130 - General Troubleshooting

MAN205-0195042EN Rev. A Aug. 2011
Page 85 of 137 pages
9.3 General Troubleshooting
Symptoms
Possible causes check-ups
and tests
Corrections
1. Control unit not initialize.
No display and lights on the
front panel.
1.1
The control circuit
breaker switched off.
1.1
Check and switch on
the circuit breaker.
1.2
The power switches
on the front panels of
the autoclave or on the
steam generator are
defective.
1.2
Replace the defective
switch.
2. Steam generator does not
operate.
2.1
Water pump defective
or blocked.
2.1
Repair or replace
pump. Replace motor.
2.2
Blocking or low water
pressure in the pump
circuit.
2.2
Adjust water pressure,
ensure a free
circulation of water.
2.3
Circuit breaker trips,
because of overload or
damage.
2.3
Check and remove the
overload or replace
circuit.
2.4
Upper electrode short-
circuited.
2.4
Clean or replace upper
electrode.
2.5
Electronic pressure
switch or measuring
circuits faulty or out of
calibration.
2.5
Check, calibrate
pressure switches or
replace them.
2.6
Lower electrode dirty
or rusted.
2.6
Clean or replace the
electrode.
2.7
Circuit breakers
switched off or
damaged.
2.7
Turn off or replace the
circuit breakers.
2.8
Contactor controlling
the heat up current is
damaged.
2.8
Check the cause and
replace contactor.
2.9
Control system trouble.
2.9
Replace boards.
(G-PROTEC board)
2.10
Solenoid or pneumatic
steam supply stuck or
defective.
2.10
Repair or replace
solenoid or pneumatic
valve.