Operation manual of solar water controller SR530C8/SR530C8Q
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most of the normal problems encountered with the controller can be found in the list
below, only return the controller to seller when you are absolutely sure that none of the
problems listed below is responsible for the fault.
Symptoms
Secondary symptoms Possible cause
Procedure
Controller does
not appear to
function at all
Display shows
nothing, no display
illumination
Controller power
supply is
interrupted or
program is out of
work
Check the controller
power cable
Press reset button
The solar pump
doesn’t
operate,
despite the fact
that switch-on
conditions are
satisfied
The pump symbol in
the display blinks
Pump power
supply is
interrupted
Check the pump
power cable
Pump doesn’t
operate
The pump symbol in
the display doesn’t
blink.
Lighted
or blinks
The maximum
storage tank
temperature (SMX)
has been reached
The maximum
collector
temperature (EM)
has been reached.
No fault
T1------
Error message
displays on the
screen
Fault (short circuit
or open circuit) in a
temperature
sensor
On the controller,
request the current
values from all
connected
temperature
sensors, replace all
defective sensors
and /or cabling.
The solar
pumps
operated,
The pump symbol in
the display blinks.
Holiday function or
Frost protection
function or tank
No problem, it is
normal. If
necessary to
