Troubleshooting 9
0020290840_00 aroSTOR Installation and maintenance instructions
21
8.11.4 Preparing a blower door test
1
1.
If you want to carry out a blower door test, you must
seal the product's condensate overflow.
2.
Use the supplied plug
(1)
to seal the condensate over-
flow.
Caution.
Risk of material damage when closing the
condensate overflow
The condensate cannot flow out via the over-
flow if the waste-water pipework is blocked.
▶
After the blower-door test and before
starting up the product, ensure that the
plug for sealing the overflow has been re-
moved.
3.
You will need to remove the plug from the condensate
overflow before starting up the product again.
8.12
Checking the immersion heater
1
2
3
4
5
6
1.
Press the on/off button.
2.
Disconnect the product from the power grid.
3.
Drain the product. (
→
Page 22)
4.
Remove the black decorative panel by pulling it force-
fully to the side.
5.
Undo the screws
(2)
on the lower covering hood
(3)
.
6.
Remove the lower covering hood
(3)
.
7.
Undo the screws
(4)
and pull the cables out of the im-
mersion heater.
8.
Remove the limit thermostat
(5)
from the immersion
heater
(6)
.
9.
Unscrew the set-up unit along with the immersion
heater
(6)
and its seal.
10. Check the scale deposition on the immersion heater.
11. Replace the seal.
9
Troubleshooting
9.1
Eliminating faults
▶
Before eliminating the fault, check that the product is
supplied with power.
▶
Check whether the stopcocks are open.
▶
If fault messages appear, eliminate the fault after check-
ing the table in the appendix.
Fault messages
–
Overview
▶
After eliminating the fault, start up the product once
again.
▶
If you are unable to eliminate the fault, contact Customer
Service.
9.2
Resetting parameters to factory settings
1.
Turn the rotary knob until the
RESE T PAR.
menu is
displayed.
–
INST.MENU RESE T PAR.
.
2.
Press the rotary knob.
3.
Turn the rotary knob to select
YES
.
4.
Press the rotary knob to confirm the selection.
5.
Press the menu button to return to the original display.
9.3
Resetting the safety cut-out
1
2
1.
Before resetting the safety cut-out
(1)
, check whether
operation has been switched off by a low-tariff contact
or time programming.
2.
Check whether the safety cut-out for the auxiliary elec-
tric heating has been tripped as a result of overheating
(> 87 °C), or as a result of a defect.
3.
Remove the covering hood. (
→
Page 11)
4.
Ensure that the immersion heater is not calcified.
5.
Press the button
(2)
to reset the safety cut-out.
Note
The safety cut-out settings must not be
changed.
