Douwe Egberts CAFITESSE 014, Руководство по обслуживанию

Страница: 51 / 230

January 2001
3 - 5
Trouble Shooting, Error Codes and Fault Diagnosis Service Manual Cafitesse 500
1. Temperature sensor
defective
2. Cable to the temperature
sensor is short circuited
3. Malfunction in control
board
1. Water supply valve not
open
2. Plugged water filter or
sieve
3. Water pressure too low
4. Inlet valve defective or
wires P13 (BU23)
defective
5. Optical sensor or float in
the boiler defective
1. Short circuit at the Peltier
element or in the wires
P12 (BU22)
ERR4 Temperature sensor in
boiler detects T is higher
than 214 °F
The LEDs for "EMPTY"
and "ON/OFF" are
flashing. The dispenser is
switched off. The cooling
system remains on.
ERR5 Low Level (not enough
water in the boiler); the
boiler must refill within
30 sec.
The LEDs for "EMPTY"
and "ON/OFF" are
flashing.
The dispenser is switched
off. The cooling system
remains on.
Exception:
After switching on, the
time period for Time-out
is 2 min. As soon as the
boiler has been filled the
time period for Time-out
is again 30 sec.
ERR6 Peltier current too high
I is greater than 6 A
The LEDs for "EMPTY"
and "ON/OFF" are
flashing. The dispenser
remains operative.
Cooling is switched off.
1. Replace the temperature
sensor (pg. 5.A-15)
2. Check the wires P02
(BU24). Replace the control
board box if necessary
(see pg. 5.K-4)
3. Replace the control board
(see pg. 5.K-4)
1. Check whether it is fully
open.
2. Replace water filter or sieve
3. Check the water pressure
(see pg. 2-12). Check any
installed filter.
4. Replace the inlet valve (see
pg. 5.A-20), check wires P13
(BU 23)
5. Replace optical sensor or
float (see pg. 5.A-13/14)
1. Replace Peltier element (see
pg. 5.F-3) or check wires
P12 (BU22). Replace control
board box if necessary.
Display Malfunction Cause Remedy