Error Messages; Replacing Batteries - Bosch Thermotechnik 7 709 003 736 Instrucciones De Instalación

• 5 minutes after the last use of the hot water (return to basic
set up).
• 2 minutes after selecting/memorizing the temperature if no
hot water is used immediately afterwards
Acquiring "priority"
Any user can acquire "priority" for subsequent use of hot water,
as follows:
▶ Move the heater's main switch to the ON position (I).
▶ Press and hold " " or "
temperature.
▶ Press and hold the "Program" button until the symbol "Pr"
appears on the remote control display.
▶ Use the hot water within two minutes of acquiring "priority".
"Priority" cannot be acquired while the hot
water tap is open.

5.5 Error 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. 6 ,[pos. 1]) and by a symbol
indicating a "safety block" (Fig. 6 ,[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.
6 Troubleshooting

6.1 Replacing batteries

When batteries are weak, the low battery symbol (Fig.6,[pos.
5]) will appear on the display.
▶ Remove the two screws on the back of the remote control.
▶ Open the battery housing and remove the batteries, then
replace with new AA 1.5V batteries, ensuring they are
inserted correctly.
Verify that the rubber seal is correctly fitted
between both plastic housing parts.
▶ Close the battery housing using the two screws.
6 720 680 078 (2014/06)
" to select the desired
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.
6.2 Cleaning
Use a damp cloth to clean parts of the remote control. Do not
use abrasive or solvent-based detergents.
6.3 Troubleshooting
1. No display on remote control
▶ Check for weak or dead batteries.
Remote control in sleep mode.
If not used for a few minutes, the remote's
display will go blank to save the batteries.
▶ Simply press any button on the remote to bring up the
display.
2. Remote control will not activate / no number with
rotating digit
▶ Ensure that you are standing directly in front of the water
heater when attempting to activate.
▶ Ensure that no other device in the area, such as a cordless
phone, is operating on a frequency similar to the remote
(868 MHz) and causing interference.
▶ Double check all wire connections 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 "- -" only
▶ 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 properly grounded outlet.
▶ Verify there is proper voltage to the water heater.
▶ Verify the remote is within the maximum distance from the
water heater of 30 meter (98 ft).
▶ Ensure that no other device in the area, such as a cordless
phone, is operating on a frequency similar to the remote
(868 MHz) and causing interference
Troubleshooting
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