Troubleshooting
BDouble check all wire connections made under section 4.2 of the remote control manual. Pay close attention to the wire connecting the remote's PCB to the heater's main PCB.
3. Remote display shows "-
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/ 60Htz 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
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. |
BMove within direct line of sight of the water heater to see if signal will reconnect.
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 main
control panel
•If an error code is generated immedi- ately after the installation of the remote control transceiver PCB, ensure two large electrical connec- tors (Fig. 4) on the main PCB are properly seated.
•Error code may not be resettable. Consult water heater's installation manual or www.boschhotwater for further troubleshooting on error codes.
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