Service Testroutines; Read Out The Software Version Of The Appliance; Putting The Appliance Into Display Test Mode/Service Test Mode; Stepping Through The Service Mode - Philips Perfect Draft HD3620/20 Service Manual

REPAIR INSTRUCTIONS

Service testroutines

- This appliance has been equipped with special service routines to be able to check several functions of the appliance.
- Below the necessary steps will be described to enter into the service mode.
- Please follow the instructions carefully to avoid damaging the electronic circuit of the appliance.

Read out the software version of the appliance.

1. Disconnect the appliance from mains.
2. Keep the + button at the display pressed and connect
appliance to the mains.
3. Keep the + button pressed and readout the software
version (number indicated for example
2.1), see example.
4. When the + button is released the appliance returns
to the normal state.
Putting the appliance into Display test mode.
1. Disconnect the appliance from mains.
2. Keep the + and − button at the display pressed and
connect appliance to the mains.
3. The display test starts. (countdown temperature
indication from 20 to 3 then volume bars will be
decreased one by one and after that the freshness day
counter will be counting down from 30 to 0.
4. This process will continue over and over again until
the appliance will be unplugged!
See examples.
- Above 2 routines can be used to check the software version and working of the Display.
- If internal parts like NTC/Pump, Peltier or FAN must be checked also the service test routines, see further can be carried out.
Putting the appliance into Service test mode.
1. Disconnect the appliance from mains.
2. Remove the KEG (if placed)
3. Keep the KEG present switch pressed and connect the appliance to the mains.
4. When the display comes up release the KEG present switch. (if the KEG present switch will be released within 2 sec after
powering up the service mode is entered.
5. If above steps succeeded the appliance will show the current software version.

Stepping through the Service mode.

- Now the service mode is entered it is possible by pressing and releasing the KEG present switch to step through the service
routines.
- The list below shows all the possible Service Modes.
- After step mode 10, the routine jumps back to step mode 0.
- Exit the routine by unplugging the appliance.
Note:
For step mode 4 - 5 the KEG present switch must kept pressed other wise the Fan will not work!
21 = version
2 0
30
3
0 0
C C
Normal VolDisp
Green segment if TempDisp < 5 °C
Red segment if TempDisp ≥ 5 °C
Normal FreshDisp
!
HD3620/20
4-13