Causes For Sensor Errors - Maico WR 310 Notice De Mise En Service Et D'entretien

UK | 13 Fault rectification
Fault /
Failure of
Bypass
Supply air temper-
ature too cold
Exhaust air tem-
perature too cold
Frost protection
Zone shutter
External
preheating
Pressure consist-
ency setpoint
not reached
92
Message
Possible cause
Bypass fault
Motor defective,
foreign body block-
ing mechanics
Temperature of
supply air
too cold
Heat exchanger
iced over, PTC
heat exchanger
defective
Temperature of
exhaust air
too cold
Exhaust air in unit
too cold, apart-
ment cooled
Frost protection
fault
Break in a cable,
heating module
defective, tem-
perature switch
on heat register
defective
Shutter fault
Motor defective,
foreign body
blocking
mechanics
External preheat-
ing fault
External prehea-
ting defective
Pressure consis-
tency fault
Setpoint is not
reached
Ackn.

13.4 Causes for sensor errors

A sensor error is reported if the measured
M
temperature is outside the measuring rangeor
no temperature is recorded.
Causes of error for sensor errors
Break in a cable; temperature outside meas-
A
uring range (range exceeded)
As soon as the error is rectified, it is acknowl-
edged automatically.
Sensor
Unit T-air inlet
A
T-supply air
T-room control unit
T-room external
T-exhaust air
T-outgoing air
M
r.h. (relative
humidity)
Exhaust air
M
M
M
Measurement range
-50 °C 50 °C
-50 °C 80 °C
0 °C 50 °C
0 °C 50 °C
-50 °C 50 °C
-50 °C 50 °C
0 % 100 %