Rational SelfCookingCenter whitefficiency - Error Message Service 26 - 37

- 55 - V02 en, SCC_WE
Error message Service 26 - 37
Display Definition Reason and remedy
Service 26 Drain valve
permanently
closed
- Appears on time when CleanJet is selected
- Cooking not possible - drain closed
- Micro switch drain valve in permanent closed position
- Replace drain valve assembly
Service 27 Drain valve
doesn‘t close
during initiali-
sation
- Appears for 30 sec. after switch ON
- Display can be cancelled switch
- drain valve in permanent open position, CleanJet not possible
- Check micro switch drain valve
- Start rinse (abort) program
Service 28 Thermocoup-
le B5 above
180°C (356°F)
- Appears if temperature at thermocouple steam generator B5 is
above 180°C (356°F)
- Indication goes off when temperature below 110°C (230°F)
Service 29 PCB tempe-
rature above
85°C (185°F)
- Appears on time after switch ON until temperature is low again
- Temperature PCB above 85°C
- Check air filter, cooling fan and control panel gasket
- Check for external heat sources
- check air escape openings
Service 30 Unit running in
emergancy
humidity con-
trol
- Appears for 30 sec. after switch ON
- Display can be cancelled
- Humidity control out of function
- Humidity emergency control active since more than 1 hour
Service 31.xx
buzzer
soundsca
20x / 5 Sec
Core probe
faulty
-
Display 30 sec. after switch on
-
Display can be cancelled
- Combination of faults possible i.e.: 10 -->2+8)
- 1: shaft probe 2- 5th probe (close to shaft)
- 4: 4th probe 8: 3rd probe
- 16: 2nd probe 32: 1st probe in tip
Service
32.0-1-2
Ignition box
faulty
- Internal Ignition box error is existing longer than 30 sec.
Change ignition box
- 0: Ignition box top
- 1: Ignition box bottom
- 2: Both Ignition boxes
Service 33.1-
2
Ignition box
faulty
- Appears after 3x Reset command without positive result
- 1: Ignition box top,
- 2: Ignition box bottom
- Check ignition wire, ignition box gas valve and gas supply.
Service 34.xx Bus signal - Indication in case of bus signal problems
- Main pcb can not communicate with the following parts
- Combination of faults possible i.e.: 10 -->2+8
- 1: Motor top - 2: Motor bottom
- 4: Ignition module top - 8: Ignition module bottom
- Check bus cable plug and cable for connection and damage
- when installed as a gas unit B13 (with exhaust through chimney)
check safety thermostat in draft diverter (Service 34.4, 34.8 or 34.12)
Service 35 Connect
Ultravent
Bus signal can not be processed; Connect UV to mains power,
Service 36 Differential
pressure sen-
sor P1 defec-
tive
no signal output
Service 37 Differential
pressure sen-
sor P1 no in
expected range
Differential pressure sensor P1 no in expected range, check connection of
hoses.