Bosch Appliances 2700ES, GWH-635-ESO, 2400ES, 715ES, C800ES manual Or concrete Structure

Page 17

Troubleshooting

If not used for a few

iminutes, the remote's display will go blank to

save the batteries.

B Simply 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.

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

5.1of 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.

BVerify 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

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.

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

6 720 606 990

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Contents Bosch Remote Control Contents FCC Declaration of conformity Safety instructionsSafety instructions Remote control Kit Remote control dataRemote control data Parts suppliedPre-installation preparation Remote control transceiver PCB installationRemote control installation Remote control transceiver PCB installation Support correct position Activation Remote controlTo determine Version in the water heaterSU board Before performing installation Remote control activation Remote control installation Hot water temperature adjustment by remote control Remote controlProgram button on the remote control Remote controlMemorizing water temperature Acquiring priority Priority functionError messages TroubleshootingCleaning TroubleshootingOr concrete Structure Remote will not memorize desired temperature setting Priority symbol will not clear720 606