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11 Malfunctions
Overview of malfunction alarm texts:
Display:
Error code:
Description:
Cause and Remedy:
Description:
Cause and Remedy:
Display:
Error code:
Description:
Cause and Remedy:
0
Boiler sensor fracture, measuring circuit from boiler sensor is open
sensor not connected
sensor defect
sensor cable defect
sensor temperature too high
Boiler sensor short circuit, measuring circuit from boiler sensor is shor-
ted out
sensor defect
sensor cable defect
sensor temperature too low
1, 2, 3
Combustion chamber sensor fracture, measuring circuit from combus-
tion chamber sensor is open
sensor not connected
sensor defect
sensor cable defect
sensor temperature too high
connect sensor at input
►
measure sensor (approx. 2kΩ
►
at 25°C) replace if required
replace sensor
►
sensor temperature above
►
measuring range (110°C)
measure sensor (approx. 2kΩ
►
at 25°C) replace if required
replace sensor
►
sensor temperature below
►
measuring range (– 10° C)
connect sensor at input
►
measure sensor (ca. 5mV bei
►
125°C) replace if required
replace sensor
►
sensor temperature above
►
measuring range (1100° C)
Operating Manual
49
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