60
Fault elimination
8.4
Malfunction lists
8.4.1 Warning list
If a malfunction occurs with the status "Warning", the operation of the Condair RH is generally not
stopped. If the fault is rectified or the cause of the fault disappears by itself, the Condair RH automati-
cally returns to normal operation.
Code
Warning
Description
LED unit
Indication
App
Possible causes
Remedy
W1
lights
yellow
W1
Overcurrent detected.
The measured heating current is greater than 115% (but less than 130%) of the permissible
maximum current over a certain period of time. The heating circuit is deactivated. After a set
time, the Condair RH will restart and return to normal operation.
Humidity demand dropped too quickly.
Automatic adjustment of the working point.
Drain valve defective.
Check/replace drain valve.
Drain obstructed in the steam cylinder.
Replace steam cylinder.
Used cylinder not recognized.
Replace steam cylinder.
Steam cylinder fills too fast.
Check/replace inlet valve.
W2
blinks
blue
W2
External safety loop open.
The Condair RH is stopped. The Condair RH automatically returns to normal operation as soon
as the external safety loop is closed, there is no system error and the unit is switched on again
via the HumiLife app.
Ventilation switched off.
Check/switch on ventilation.
Maximum humidistat or air flow monitor has
responded.
Check the setting of the maximum humidistat
or the flow monitor.
Wiring to the maximum humidistat interrupted
or incorrectly wired.
Check the wiring of the maximum humidistat.
Maximum humidistat defective.
Check/replace maximum humidistat.
Wiring to the air flow monitor interrupted or
incorrectly wired.
Check the wiring of the air flow monitor.
Air flow monitor defective.
Check/replace air flow monitor.
W3
lights
yellow
W3
No signal from the humidity sensor.
Wiring to the humidity sensor interrupted or
incorrectly wired.
Check the wiring of the humidity sensor.
Humidity sensor defective.
Check/replace humidity sensor.
W4
lights
yellow
W4
No signal from the limiter sensor.
Wiring to the limiter sensor interrupted or
incorrectly wired.
Check the wiring of the limiter sensor.
Limiter sensor defective.
Check/replace limiter sensor (humidity sensor
in the supply air duct.
W5
lights
yellow
W5
The end of service life of the steam cylinder is soon reached. The steam cylinder has to be
replaced in the near future.
W6
lights red
–––
No WiFi signal
WiFi signal interrupted.
Disconnect the device from the power supply
and reconnect.
Reconnect unit (see
).
Summary of Contents for RH 1.8
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