Trouble Shooting Guide - Stuart Turner Showermate U2.6 bar Single Installation, Operation & Maintenance Instructions Manual

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TROUBLE SHOOTING GUIDE

12.1 General guide
Symptoms
Pump will not
start
Reduced/
intermittent flow.
No hot water
Probable Cause
Electrical supply
Pump jammed
Damaged pressure
switch
Recommended
static inlet/outlet
heads exceeded
Internal motor
thermotrip
activated
Incorrect or no
anti-aeration
flange fitted
Incorrect pipe
sizes
Blocked inlet
strainer filters
Hot water
temperature set
too high
Blocked shower
head spray plate
Air locked water
feed
Recommended Action
Check power supply
Check fuse (see fuse section)
Check circuit breaker is set
Check wiring connections
If motor 'buzzes' switch off power and
contact Stuart Turner
Turn off power
Release system water pressure
Turn on power, pump should start. If NOT
contact Stuart Turner
Re-position pump (see pump location
section)
Wait for thermotrip to auto-reset and check
that duty point and run time is within
specification (see technical specification)
Check that the installation complies with
installation instructions
Check for correct pipe sizing, see Section
5.3 - Pipework
Clean inlet strainer filters
Reduce cylinder stat setting to 60 °C max
Clean in accordance with manufacturers
instructions
Vent hot water pump of air
Check cold feed to hot water cylinder
Check water level in cold water tank and
that all stopcocks and isolating valves are
open
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