36
7
Fault elimination
Display
Description
Radio sensor K1
Install.? ESC/E
Cause:
If a new battery is inserted into the radio humidity sensor (op
-
tion) and the radio channel of the radio humidity sensor does
not correspond to the active channel of the Defensor PH28/
PH28A a beep sounds briefly (if the buzzer is activated) and a
new radio channel (e.g. K1) will be proposed.
Action:
Press the
<Enter>
key if you want to confirm the suggested
channel. The Defensor PH28/PH28A switches to the new chan
-
nel and returns to the standard operating display.
Press the
<ESC>
key if you want to reject the suggested channel.
The Defensor PH28/PH28A returns to the standard operating
display and uses the old signal source.
Radio sensor K1
Test
Cause:
If a new battery is inserted into the radio humidity sensor (op
-
tion) and the radio channel of the radio humidity sensor does
correspond to the active channel of the Defensor PH28/PH28A
a beep sounds briefly (if the buzzer is activated) and the unit
confirms the correct channel.
Action:
To reset the message and to return to the standard operating
display press the
<Enter>
or the
<ESC>
key.
7.1
Event messages
7.2
Warning messages
Display
red LED
Buzzer
Error relay
Resetting
Warning 6
Filter change
Warning message is alter-
nating with the standard
operating display.
lights
–––
activated
see chapter 6.5.
Cause:
Maximum lifetime of the filter set expired.
Action/Remedy: Replace filter set (see chapter 6 “Maintenance”), then reset warning message.
Warning 7
No water
Warning message is dis-
played until the water level in
the base tub is ok. again.
lights
–––
activated
Automatic resetting as
soon as the water level
in the base tub is at normal
level again.
Note:
This message is displayed only on the Defensor PH28
Cause:
The water level in the base tub is too low, level switch has triggered.
Action/Remedy: Check/refill water tank.
Warning 8
Battery radio
Warning message is alter-
nating with the standard
operating display.
lights
beeps briefly
every 30 min-
utes
activated
Automatic resetting after
replacement of the bat
-
tery.
Cause:
Battery in radio humidity sensor (option) is empty.
Action/Remedy: Replace battery of the radio humidity sensor (see separate instructions of radio humidity
sensor).