Mira Go Thermostatic Power Shower Installation And User Manual page 25

Malfunction
The maximum
shower
temperature is too
cold.
The blend
temperature is
unstable.
Drip from the
shower head.
The pump does
not operate.
The pump does
not stop or change
speed when
the flow knob is
turned.
Low or no water
flow.
Cause
Hot water cylinder
temperature less than
12 °C above the showering
temperature.
Maximum temperature
incorrectly set.
Spray plate blocked.
Inlet filters blocked.
Isolating valve partially
closed.
Solenoid valve failure.
Electrical supply failure.
PCB failure.
Potentiometer failure.
Motor overheated, thermal
switch operated.
Potentiometer failure.
PCB failure.
Isolating valves closed.
Inlet filters blocked.
Appliance sited above cold
water storage cistern.
Plumbing system fault
(airlock).
Blocked spray plate.
Adjust the cylinder
temperature. Note! It is
recommended that the stored
water temperature does not
exceed 65 °C.
Reset the maximum
temperature, refer to
COMMISSIONING.
Clean the spray plate, refer to
the instruction manual supplied
with the
Clean the inlet filters.
Open the isolating valve.
Renew the solenoid valve
assembly.
Check the power supply.
Renew the PCB.
Renew the harness assembly.
If the thermal switch operates
repeatedly contact customer
support for further advice.
Renew the harness assembly.
Renew the PCB.
Open the isolating valves.
Clean the inlet filters.
The appliance is not suitable
for negative head installations,
refer to the INSTALLATION
REQUIREMENTS.
Re-route the pipework to avoid
airlock.
Clean the spray plate, refer to
the instruction manual supplied
with the
25
Remedy
shower fittings.
shower fittings.
1079321-W2-G