17
Troubleshooting
6 720 606 990
BSimply press any button on the
remote to bring up the display.
2. Remote control will not activate
/ no number with rotating digit
BEnsure that you are standing directly
in front of the water heater when
attempting to activate.
BEnsure 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.
BDouble check all wire connections
made under section4.1 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
BVerify 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.
BVerify there is proper voltage to the
water heater (120VAC/60Htz).
BVerify the remote is within the
maximum distance from the water
heater of 98 feet.
BEnsure 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
BError 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
iIf not used for a few
minutes, the remote's
display will go blank to
save the batteries.
iLarge 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.
BMove 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