Winterhalter 4P GDR - Maintenance and Troubleshooting; Rinsing and Draining the Machine; Resetting the 4 P GDR; Troubleshooting Error Messages

10 Version 1.0
Rinsing the machine
To be able to drain and clean the 4P GDR, there is also a clean/drain program. To
activate this program, hold the drain button (2) for more then 1 second while the 4P
GDR is turned on, but not while running a wash cycle.
The drain program will drain all remaining water from the 4P GDR and rinse the 4P
GDR with clean water.
Resetting the 4P GDR.
To reset the 4P GDR, all that is required to turn the machine off with button (1). This
will immediately stop any running program and resets the machine to the start state.
Please note that after a reset, there might be water remaining in the tank. You must
drain the tank before starting a new wash cycle.
Troubleshooting
The 4P GDR indicates an error message
The 4P GDR can generate a number of errors depending on the situation. If an error is
encountered, display (7) will indicate Err and display 8 the error code.
See also the service manual for more info.
A table describing the cause of the error can be found here:
Err Description How to resolve
1 Wash tank level sensor error Check connections or replace sensor (E3)
2 Wash tank temperature sensor
error
Check connections or replace sensor (E1)
3 Boiler tank temperature sensor
error
Check connections or replace sensor (E2)
4 No change in Tank level after
circulation pump is running
Make sure the flat filter is properly mounted.
Check if nothing is blocking the circulation
pump.
5 One of the chemical containers is
empty.
Refill empty chemical container
6 No change in Tank level after
drain pump is running
Make sure drain pump (M2) is running.
Make sure nothing is obstructing the drain
outlet.
7 No change in boiler tank
temperature within 2 minutes
Check boiler heating element
Check relays (K2)
8 No change in Tank temperature
within 4 minutes
Check tank heating element
Check clickson (B2)
10 Door opened while washing Keep door closed.
14 Boiler tank still full after transfer Check transfer pump (M3)
15 Boiler tank fill time to long. Not
full within 2 minutes
Check inlet water pressure.
Check water inlet valve (Y3).
16 Water in tank before starting wash
cycle.
Drain the machine before washing.