Senztek SolaStat-Plus - Trouble Shooting Guide

SolaStat™-1-3 Installation Guide
Version 1.1 – April 2013 Page 28
TROUBLE SHOOTING GUIDE
Symptom Cause Solution
No operation, no
display and no lights
(No Power Light)
 No power/fault  Check mains outlet.
 Check fuses.
POWER light ON but
no display or
corrupted display.
 Power brown out (mains power not
running at full voltage)
 Unit faulty

Switch off power while mains
power is in brown out condition.
 Switch off power for 10 minutes,
switch on power and see if unit is
operating. If not, unit needs repair.
Contact your supplier.
Display on, pump not
running, but sunny
outside. Pump light
ON
 Pump damaged or disconnected.
 Pump timer has turned pump off

See if pump has become
unplugged
 Wait one minute for the pump to
restart.
Pump is running
continuously
 Pump is cavitating
 Special Installation
 Setting is incorrect
 Airlock in pipe

If pump sounds like stones are
passing through it, see section
under Plumbing Tips
 Long pump times may be normal
for a special installation
 Check programming for pump ON
and Pump Off

Check that air relief valves are
correctly installed and operating
Hot water drops
significantly at night,
yet little or no draw off
be user
 System is reverse thermo-
siphoning
 System is in a high frost area
 Tank is losing heat
 The non-return valve is not fitted
correctly or is malfunctioning
 Discuss non-frost sensitive options
with your energy provider

Install better insulation on hot
water tank
HWC light never
comes on
 HWC control is not availab
le on
this model.
 Normal operation