Troubleshooting; Error Codes; Maintenance - Comfort Heat Comfort WiFi Handbuch

7. PROgRAMMINg
Pic. 5
See user manual. http://www.ojelectronics.com/OWD5

8. TROUblEShOOTINg

If the sensor is disconnected or short-circuited, the heating system is switched
off. The sensor can be checked against the resistance table (Pic. 5).

9. ERROR CODES

E0: Internal fault. The thermostat must be replaced.
E1: Built-in sensor defective or short-circuited. Replace the thermostat, or use
the floor sensor only.
E2: External sensor disconnected, defective or short-circuited. Reconnect the
sensor if disconnected, or replace the sensor.
E5: Internal overheating. Inspect the installation.

10. MAINTENANCE

The thermostat is maintenance free. Keep the thermostat's air vents clean and
unobstructed at all times. The thermostat may only be cleaned with a dry cloth.
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