Bosch Appliances 2400ES, 2700ES Troubleshooting, Error messages, Replacing batteries, Cleaning

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Troubleshooting

"Priority" cannot be

iacquired while the hot water tap is open.

Verify that the rubber

iseal is correctly fitted between both plastic

housing parts.

6.5Error 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.

BClose the battery housing using the two screws.

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.

7Troubleshooting

7.1Replacing batteries

When batteries are weak, the low battery symbol (Fig. 10, pos. 5) will appear on the display.

BRemove 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.

7.2Cleaning

Use a damp cloth to clean parts of the remote control. Do not use abrasive or solvent-based detergents.

7.3Troubleshooting

1. No display on remote control

BCheck for weak or dead batteries (see section 7.1).

Remote control in sleep mode.

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Contents Bosch Remote Control Contents Safety instructions Safety instructionsFCC Declaration of conformity Remote control data Remote control KitRemote control data Parts suppliedRemote control installation Remote control transceiver PCB installationPre-installation preparation Remote control transceiver PCB installation Support correct position Remote control ActivationTo determine Version in the water heaterSU board Before performing installation Remote control activation Remote control installation Remote control Hot water temperature adjustment by remote controlProgram button on the remote control Remote controlMemorizing water temperature Priority function Acquiring priorityTroubleshooting Error messagesCleaning TroubleshootingOr concrete Structure Priority symbol will not clear Remote will not memorize desired temperature setting720 606