Fault Finding
(cont.)
Problem
Possible cause
Solution
The “Pressure” indicator
Flow rate too low (ILX only).
Increase flow pressure
lights, water remains cold.
(ILX only).
Water flow rate is less
Depends on the heater.
Check technical
than expected.
specifications.
Minimum dynamic water.
pressure is below ·8 bar
Outlet fitting dirty or calcified.
Clean tap fitting or
shower head.
Filter dirty or calcified.
Clean or renew the filter.
Unsuitable tap.
Contact customer service.
The hot water is not
Electronics faulty (ILX only).
Reset fuse. In case of
hot enough.
repeated failures, contact
customer service (ILX only).
Flow rate is too high (winter?). Reduce the water flow slightly.
Heating element defect.
Contact customer service.
Flow and temperature of
The water pressure or the
Stabilise flow pressure, check
the hot water varies.
voltage is varying (ILH only).
supply voltage (ILH only).
Temperature and
Cold water is being
Only hot water can be
pressure vary.
added (ILX only).
delivered to within one
degree (ILX only).
Technical Support
If a fault in your appliance cannot be rectified with the aid of this table, please
contact Zip Heaters who will either assist you directly or put you in touch with
a service engineer in your area. Always specify the appliance model and serial
numbers. Use this chart to record the number during installation.
*Model No.
*Serial No.
Date of Installation
Zip Heaters (UK) Ltd
Tel: 0870 608 8888 Fax: 01362 692448
e-mail: [email protected]
8 LH6, ILH9, ILX6, ILX9 & ILX12 Installation Instructions
