January 2001
3 - 6
Trouble Shooting, Error Codes and Fault Diagnosis
Service Manual Cafitesse 500
1. Heat sink dirty
2. Air filter dirty
3. Dispenser too close to
the wall
4. Fan defective
5. Peltier element defective
6. Wires P12 between
control board box and
eraser board defective
1. Temperature too high,
flexi pack was not stored
in the refrigerator
2. Cleaning procedure is
carried out
3. Cooling compartment lid
not closed
4. Dispenser too close to
the wall
5. The cooling temperature
was not reached after an
interruption of the mains
supply.
6. Ambient temperature too
high
7. Air chute, fan or air filter
dirty or defective
ERR7
Peltier current is lower
than the lower limit (I is
lower than 1.7 A)
The LEDs for "EMPTY"
and "ON/OFF are
flashing.
Dosing is off
Fan works at "half" power
Cooling is switched off.
CODE 8
Cooling compartment
temperature is higher
than 44.6 °F
ON/OFF LED flashes
Cooling is switched on
Dispenser remains on
(The error is automatically
reset when the cooling
compartment temperature
drops below 42.8 °F)
1. Clean heat sink
2. Clean air filter (see pg. 6-3)
3. Check distance to wall (min.
2 inches)
Check whether the air flow
is sufficient.
4. Replace fan (see pg. 5.F-2)
5. Replace Peltier element (see
pg. 5.F-3)
6. Check wires P12 (BU22)
(see pg. 5.K-18/19)
Replace control board box if
necessary.
1. Replace flexi pack.
2. Wait until the temperature
has dropped below 42.8 °F.
The error is then reset
automatically.
3. Close cooling compartment
lid
4. Check distance to the wall
(min. 50 mm)
Check whether the air
supply is sufficient
5. Wait until the temperature
has dropped below 42.8 °F.
(approx. 1 hour). The error is
reset automatically.
6. Reduce the ambient
temperature
7. Clean air chute, fan or air
filter (see chap. 6),
replace them if necessary
Display
Malfunction
Cause
Remedy