Tuttnauer 3545 - 11. MAINTAINING AND REPLACING PARTS; 11.1 Safety Tests after Repair

Page 32 of 63 Pages
faulty. faulty thermostat.
Symptom Possible Cause Correction
3.3 “HEAT” light is not on
and there is no heating.
(cont.)
3.3.3 Timer is faulty.
3.3.4 Microswitch No.3 is
faulty.
3.3.5 Pressure switch
(B10) is faulty.
3.3.6 Door switch is faulty.
3.3.3 Fix or replace the
faulty timer.
3.3.4 Fix or replace the
faulty microswitch.
3.3.5 Fix or replace the
faulty pressure
switch (B10).
3.3.6 Fix or replace the
faulty door switch.
4. Multi-purpose valve on
STE. position. POWER
and HEAT indicator
lights are lit.
Temperature and
pressure are not
sufficient.
4.1 Water level is lower than
required.
4.2 Pressure switch (B10)
(B10) is not calibrated.
4.3 Steam escapes from
safety valve.
4.4 Air trap jet hole leaks
excessively.
4.5 Steam escapes from the
door seal.
4.6 Steam escapes from
piping connections.
4.1 Add water per para. 4.
4.2 Calibrate the pressure
switch (B10).
4.3 Pull safety valve ring for
2 seconds, then release.
If leakage continues,
replace it.
4.4 Replace the air trap jet.
4.5 Tighten door locking
bolt. If leakage persists,
replace door seal.
4.6 Locate leakage and
repair faulty piping
connection.
5. Pressure builds up very
slowly.
5.1 One or more heaters are
burnt.
5.2 Too much water in the
chamber.
5.3 Door gasket leakage.
5.4 Safety thermostat is not
set to the right temp
(stops heating in the
“increase pressure” stage).
5.1 Check and replace
heaters if necessary.
5.2 Check if chamber holds
the correct amount of
water (para. 4).
5.3 Tighten a bit more, if
leakage continues,
replace gasket.
5.4 Calibrate the thermostat.