INsTALLATIoN
settings
68
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12. Settings
Service menu
To unlock the service menu, you need to connect a service plug
or enter a code.
Accessing the service menu with a service plug
D
00
00
06
02
17
1
1 Slot X1
f
f
Plug the service plug into slot X1 on the back of the program-
ming unit.
Accessing the service menu by entering a code
Press the "Menu" button for longer than
3 s. The software version number of the
controller PCB appears.
display
Version number
301
3.1.00
To display the software version number
of the programming unit PCB, press the
"Plus" button.
display
Version number
-103
1.3.00
To go to code entry, press the "Minus"
button.
To go from the software version num-
ber of the controller PCB directly to code
entry, press the "Minus" button.
To go to the code digit check, press the
"Rapid heat-up" button. The currently
active digit flashes.
Set the first digit using the "Plus" and
"Minus" buttons.
To set the next digit, press the "Rapid
heat-up" button.
To confirm the code after entering all
digits, press the "Rapid heat-up" but-
ton.
Service menu
Integral sensor offset
Set the cylinder volume
Compressor lockout due to evaporator fault
Clear high pressure lockout
Clear low pressure lockout
Temperature of evaporator fins
Number of times hot gas temperature sensor was triggered
Number of defrost faults
Number of low pressure triggers
Number of high pressure triggers
Hot gas temperature switching value
Fan lead time
Integral sensor replacement
Set value limit
The parameters in this menu are reserved for qualified contrac-
tors.
13. Appliance shutdown
!
Material losses
If you disconnect the appliance from the power supply, it
is no longer protected against frost or corrosion.
f
f
Only disconnect the appliance from the power sup-
ply for longer periods if you are also draining the
DHW cylinder.
The appliance can only be switched off by interrupting the power
supply.
f
f
Pull the mains plug from the socket or disconnect the appli-
ance from the mains at the MCB/fuse in the fuse box.
14. Troubleshooting
WARNING Electrocution
Prior to all work on the appliance, isolate it from the
power supply.
!
Material losses
If you disconnect the appliance from the power supply, it
is no longer protected against frost or corrosion.
f
f
Only disconnect the appliance from the power sup-
ply for longer periods if you are also draining the
DHW cylinder.
f
f
For work inside the appliance, remove the appliance cover
(see chapter "Cleaning and maintenance / Removing the ap-
pliance cover").
f
f
If necessary, remove the upper section of the casing jacket
(see chapter "Maintenance and cleaning / Removing the cas-
ing ring").
Note
Refit the casing ring after completing the work. See chap-
ter "Maintenance and cleaning / Fitting the casing ring").