Sentiotec Combicontrol DC9C Instructions De Montage Et D'utilisation page 49

Installation instructions, only for experts
4.6. Performing tests
The following tests must be performed by a certified electrical fitter.
WARNING!
The following tests must be performed with the power supply
switched on. There is a danger of electric shock.
● NEVER touch live parts.
1. Check the contact of the earth conductors on the earth conductor terminal.
2. Check the excess temperature fuse on the heater sensor F1.
a. Switch on the control unit.
► 00.00 flashes on the display.
If an error message appears in the display, continue from point
5. Troubleshooting for the installer on page 18.
b. Open the heater sensor and disconnect one of the two red wires
for the heater sensor.
► The "E-12" error message appears and a continuous beep
can be heard.
c. Reconnect the red wire for the heater sensor.
► 00.00 flashes on the display.
d. Now disconnect one of the white wires for the heater sensor.
► The "E-F1" error message appears and a continuous beep
can be heard.
e. Reconnect the white wire for the heater sensor.
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