Defensor PH27, Руководство по эксплуатации

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7.4 What, if...?
The following table lists symptoms of malfunction that may occur in daily operation of the Defensor
PH27/PH27A, together with possible causes and suggested remedies.
Symptom Cause Remedy
Unit does not work, LC display
remains dark Unit is not connected to the
mains. Connect unit to the mains.
Unit fuse blown. Have a service technician of
your Defensor supplier check
the unit.
Unit does not humidify.
Ambient air humidity is higher
than selected reference value. No remedy required, change
reference humidity value if nec-
essary.
Level switch is defective. There-
fore no error message is dis-
played even though the wa-
ter level in the base tub is too
low. Have a service technician of
your Defensor supplier replace
the level switch
Room air does not reach
the set reference humidity
value. Evaporator mat not installed. Install evaporator mat.
Room temperature too high. Reduce room temperature to
20-22°C.
Unit very dirty. Perform maintenance (see
chapter )
Doors or windows are open. Close doors and windows.
Prolonged ventilation of the
room. Therefore continuous
replacement of the humidified
room air by dry outdoor air. Ventilate room only a short
time!
Room to large. Contact your Defensor sup-
plier.
Actual humidity much higher
than the reference value.
The actual humidity is higher
than the set reference air hu-
midity. Let unit running as air purifier.
Display red LED Buzzer Error relay Resetting
Error 5
Leakage sensor
Error message is displayed
until reset.
flashes buzzes loudly
(can not be
switched off)
activated Switch unit off, then on
again.
Cause: PH27: Water tank not tight (tank cap not tight and/or level regulating valve in the tank cap
blocked or defective). Unit is not placed on a horizontal surface. Safety switch defective.
PH27A: Inlet valve defective. Level switch defective. Safety switch defective.
Action/Remedy: PH27: Check/clean filler neck, tank cap and level regulating valve in tank cap (replace tank cap
if necessary) , then close tank cap correctly. Place unit on a horizontal surface. Check/replace
safety switch.
PH27A: Check/replace inlet valve. Check/replace level switch. Check/replace safety switch.