Bosch GWH-635-ESO - Manual (Page 16)

16
Troubleshooting
6 720 606 990
6.5 Error messages
This device has an error message
system. Any errors that the heater
generates will be indicated by an error
code that will appear on the display
(Fig. 10, pos. 1) and by a symbol
indicating a "safety block" (Fig. 10,
pos. 7). The remote control will be
operative only after pressing the reset
button on the heater and clearing the
error.
To identify the type of error or if the
error will not clear, consult the heater
installation manual.
7 Troubleshooting
7.1 Replacing batteries
When batteries are weak, the low
battery symbol (Fig. 10, pos. 5) will
appear on the display.
B Remove the two screws on the back
of the remote control.
B Open the battery housing and
remove the batteries, then replace
with new AA 1.5V batteries,
ensuring they are inserted correctly.
B Close the battery housing using the
two screws.
7.2 Cleaning
Use a damp cloth to clean parts of the
remote control. Do not use abrasive or
solvent-based detergents.
7.3 Troubleshooting
1. No display on remote control
B Check for weak or dead batteries
(see section 7.1).
Remote control in sleep mode.
i
"Priority" cannot be
acquired while the hot
water tap is open.
i
Verify that the rubber
seal is correctly fitted
between both plastic
housing parts.
Warning: dead
batteries must be
replaced.
Consequently, the
manufacturer is not
liable for any faults or
damage caused by
dead batteries.
Dispose of the dead
batteries properly.
6720606990-0701_(Remote control)16Nov.fm Page 16 Friday, November 16, 2007 3:04 PM