Nortec MH Series - Manual (Page 36)

10-30
Page 32
2008-12-03
Warning Error Cause Remedy
LED Display LED Display
Maintenance due
Maintenance not performed
and/or maintenance
indication not reset
Red
flashes
and
yellow
lights red and
yellow
lights
Maintenance due.
Perform
maintenance
according to
section 10-40 of
the installation
and operating
instructions
for the Nortec MH.
Then, reset the
maintenance
indication.
Maintenance not
performed and/or
maintenance
indication not reset
within 168 h (1
week).
Perform
maintenance
according to
section 10-40 of
the installation
and operating
instructions
for the Nortec MH.
Then, reset the
maintenance
indication.
Maximum lifespan of the
UV lamp reached
Maximum lifespan of the
UV lamp reached
red
flashes
and
yellow
lights
red and
yellow
light
Maximum lifespan
of the UV lamp
reached.
Replace UV lamp
and clean glass
tube
UV lamp not
replaced or hours
counter of the UV
lamp not reset after
replacement of the
UV lamp. Unit
switches off after
168 hours.
Replace UV lamp
and clean glass
tube (see
1.4.2 in
section 10-40
),
then reset hours
counter of the UV
lamp.
Wrong UV lamp
installed.
Install correct UV
lamp.
No signal from humidity
sensor
No signal from humidity
sensor
Red
flashes Red
lights Sensor cable not
connected or
sensor cable
interrupted.
Connect/replace
sensor cable.
Humidity sensor
defective. Replace humidity
sensor.