Specifications

10
7.0 FAULT FINDING
YOUR MAREY POWER PACK SHOULD GIVE TROUBLE FREE OPERATION,
HOWEVER SHOULD A FAULT OCCUR THE TABLE BELOW SHOULD AL-
LOW MOST FAULTS TO BE IDENTIFIED. FAULT FINDING SHOULD ONLY
BE CARRIED OUT BY A COMPETENT PERSON.
SYMPTOM POSSIBLE CAUSE REMEDY
1. Water too hot
A. Water flow too low Increase the flow by turning the water control
2. Water too cold
A. Electrical power to Ensure that the electronics to the power pack is
the power pack heater switched on and the neon is lit
is off
B. Water flow too high Reduce the flow by turning the water control
C. Element fault Check for open circuit
3. Temperature
A. Pressure switch is Water pressure/flow issue
varies while
operating,
showering,
normally making a
cycling
"click" as it does so
hot/cold
B. Input pressure is Ensure that your stop cock and servicing
below 1.0 bar valve are opened fully
(14.5psi); flow is
not stable
4. "Power on"
A. Cartridge fuse or Switch off shower and isolating switch.
indicator not lit.
miniture circuit Renew fuse, reset the mcb. If they operate
Isolating switch
breaker (mcb) has a second time, contact a qualified electrician
"ON" but its
operated in your
neon not lit
fusebox (or
consumer unit) or
switch fuse
B. Residual current Follow the same procedure as above. If this
device (rcd) or has happened with a "split load" consumer
(earth leakage unit on initial installation, check that the
circuit breaker) neutral core of the power pack feed cable is
has operated connected to the "protected" neutral bar of the unit
5. Water emerges
PRV has operated 1. Switch off immediately at isolating switch
from pressure
2. Turn water off at the servicing valve (if fitted)
relief valve
or stop valve
3. Contact Marey Service Department