Kohler 1.1785.002 Installationshandbuch - Seite 31
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Diagnostic Procedure
1.
Ensure the shower pull cord / isolator switch is in the OFF position, then turn ON the pull
cord / isolator switch.
2.
Start the shower and observe light fault indication (if any) and refer to Error Codes to
determine failure and rectify.
Note! If the shower operates normally run the unit for at least 5 minutes at showering
temperature and ensure the temperature remains stable.
3.
Turn the shower off at the Start / Stop Button and observe 'phased shutdown'. DO NOT
isolate the power at the pull cord / isolator switch until the water flow stops and the lights
on the shower stop pulsing
4.
Show the user the correct start / stop procedure and general operation of the shower.
Advise user that isolating the shower before the flow has stopped may damage the shower
and will not start up correctly for the next use resulting in fault code M.
Error Codes
Start/Stop
Status
Flashing
Flashing
Red Yellow
Flashing
Flashing
Red Blue
Flashing
Red White
Flashing
Should the fault remain after the initial action, press and hold the 'Start/Stop'
button and note the Status light sequence.
Flashing
Red Blue
Flashing
Off
Red Yellow
Flashing
Red White
Fault Indication
Code
A
Red
D
F
I
M
White
Flow Valve fault
1. Check thermistor connection
(CN3) to the relay board.
2. Thermistor failed in heater
tank.
Cover PCB failure
Cause
No water supply
Low pressure
Blockage or restriction
Over temperature
detected by the outlet
thermistor
Over temperature
detected at the inlet
Software Error
Incorrect Shutdown
31
Initial Action
Confirm water turned on.
Check water pressure.
Check filter, hose, showerhead and
bleed valve.
Purge the flow valve 3 x 10 secs,
ensuring cold water coming from
the showerhead.
Cold water supply is above the
maximum temperature.
Power cycle the unit.
Wait 15 seconds until the lights stop
flashing before attempting to start
the shower. Ensure shower always
turned off correctly to prevent
recurrence.
Contact customer services.
Contact customer services.
Contact customer services.
1306246-W2-D