Nortec MH Series User Manual
Page 35
10-30
Page 31
2008-12-03
When draining the water
tub float is not open
within 8 minutes
When draining the water
tub the
float is not open
within 4 hours
Red
flashes
Red
lights
Drain valve
blocked/defective or
clogged.
Check/clean or
replace drain valve.
Siphon clogged.
Clean siphon.
Relay defective
(weld-shut).
Replace control
board.
Level sensor stucked
or short circuited.
Clean/Replace
level sensor.
Backpressure in the
siphon.
Install special
siphon.
Conductivity of the water in
the tub too high
Conductivity of the water
in the tub too high
Red
flashes
Red
lights
Conductivity after
draining, restart or
cleaning
cycle during 10
minutes higher than
the set nominal value.
Increase the
nominal value or
enhance water
quality.
Conductivity sensor
defective.
Replace
conductivity sensor.
Conductivity
transmitter defective.
Replace
conductivity
transmitter.