Kohler Thermostatic Electric Shower manual Fault Diagnosis

Fault Diagnosis

The trouble shooting information tabled below gives details on probable causes and remedies should difficulties be encountered whilst the shower is in operation.

Warning! There are no user serviceable components beneath the cover of the appliance.

ONLY A COMPETENT TRADESPERSON SHOULD REMOVE THE FRONT COVER!

Symptom	Power	Heater	Probable Cause	Possible Remedy
	Light	Setting
		I/II/III
Appliance fails	OFF	Any	Electrical supply isolated at	Switch on electrical supply via
to operate.			double pole switch.	the pullcord or wall mounted
				switch.
	OFF	Any	Fuse blown or MCB/RCD	Renew the fuse or reset the
			tripped, indicating possible	MCB/RCD. If fault persists,
			electrical fault.	contact your installer.
Shower cycles	ON	II/III	Handset blocked.	Remove and clean.
from hot to	ON	II/III	Water pressure below	Make sure incoming mains
cold.
			minimum required for	water stopcock and/or appliance
			appliance operation.	isolating valve is fully turned on.
	ON	II/III	Temperature dial or Heater	Turn the Heater Control to II
			setting too high.	setting or turn the Temperature
				Control until a cooler
				temperature is achieved.
	ON	II/III	Thermostatic mechanism is	Replace.
			faulty or damaged.
Unable to	ON	III	Due to the rise in mains	Turn the Heater Control to II
select a cool			water supply temperature,	and adjust the Temperature
enough shower.			the Heater setting may be	control until a suitable
			too high.	temperature is achieved.

All of the following remedies must only be performed by a Competent Tradesperson

Handset dripping.

OFF

OFF

Any

Any

Insufficient Water supply pressure for shut off.

Inlet Valve faulty.

21

The minimum static pressure to ensure shut off and prevent dripping is 0.2 bar.

Note: If other appliances are operating, static pressure may drop below 0.2 bar. Contact local water company. Renew the Flow Valve.

Replace.