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7.3 Error messages
Display red LED Buzzer Error relay Resetting
Error 1
Cover open
Error message is displayed
until the carriage is inserted
correctly and locked.
flashes ––– activated Automatic resetting as
soon as the carriage is
inserted correctly and
locked.
Cause: Carriage not inserted and locked.
Action/Remedy: Correctly insert the carriage and flap down the handle.
Error 2
Max Niveau
Error message is displayed
until reset.
flashes buzzes loudly
(can not be
switched off)
activated Switch unit off, then on
again.
Cause: Maximum water level in the base tub exceeded. Safety switch has triggered.
PH15: water tank not tight (tank cap not tight and/or level regulating valve in the tank cap
blocked or defective).
PH15A: inlet valve defective.
Action/Remedy: PH15: Remove the tank immediately. Check/clean filler neck, tank cap and level regulating
valve in tank cap (replace tank cap if necessary), then close tank cap correctly.
PH15A: check/replace inlet valve.
Error 3
Filltime
Error message is displayed
until reset.
flashes buzzes activated Switch unit off, then on
again.
Note: This message is displayed only on the Defensor PH15A
Cause: Shut-off valve in the water supply line closed. Internal water filter (near to the inlet valve)
blocked. Inlet valve defective.
Action/Remedy: open shut-off valve in the water supply line. Clean water filter (see chapter 6.3). Check/replace
inlet valve.
Error 4
No signal
Error message is alternating
with the standard operating
display.
flashes beeps briefly
every 6 min-
utes
activated Automatic resetting
as soon as the unit re-
ceives a signal from the
radio humidistat.
Cause: The Defensor PH15/PH15A does not receive any signal from the radio humidistat (option).
Battery of the radio humidistat soon empty or radio humidistat defective. Radio humidistat
installed outside the signal range of 25 m.
Note: As long as the unit does not receive any signal from the radio humidistat it switches
to the internal humidistat.
Action/Remedy: Replace the battery of the radio humidistat. Check/replace radio humidistat. Install radio
humidistat inside the signal range.
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: PH15: 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.
PH15A: Inlet valve defective. Level switch defective. Safety switch defective.
Action/Remedy: PH15: 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.
PH15A: Check/replace inlet valve. Check/replace level switch. Check/replace safety switch.
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