Bosch GWH-635-ESO - Manual (Page 17)

17
Troubleshooting
6 720 606 990
B Simply press any button on the
remote to bring up the display.
2. Remote control will not activate
/ no number with rotating digit
B Ensure that you are standing directly
in front of the water heater when
attempting to activate.
B Ensure that no other device in the
area, such as a cordless phone, is
operating on a frequency similar to
the remote (915 MHz) and causing
interference.
B Double check all wire connections
made under section 4.1 or section
5.1 of the remote control manual.
Pay close attention to the wire con-
necting the remote's PCB to the
heater's main PCB.
3. Remote display shows "- -" only
B Verify the water heater's ON/OFF
switch is turned to the ON (I)
position. If the water heater's display
is still blank, verify the heater is
plugged into a live 120VAC/ 60Hz
properly grounded outlet.
B Verify there is proper voltage to the
water heater (120VAC/60Htz).
B Verify the remote is within the
maximum distance from the water
heater of 98 feet.
B Ensure that no other device in the
area, such as a cordless phone, is
operating on a frequency similar to
the remote (915 MHz) and causing
interference
4. Error code and “ ” symbol
will not clear from remote
B Error codes cannot be reset by
using the remote. All errors must be
cleared by using the reset button
on the water heater's control
panel
i
If not used for a few
minutes, the remote's
display will go blank to
save the batteries.
i
Large amounts of metal
or concrete in the
structure may have a
blocking effect on the
remote's signal. This
may alter the maximum
distance allowable from
the water heater.
B Move within direct
line of sight of the
water heater to see if
signal will reconnect.
6720606990-0701_(Remote control)16Nov.fm Page 17 Friday, November 16, 2007 3:04 PM