ECOScience 6300wt, Installation And User Manual

Page: 62 / 84

Top connected system tank, CS300
48
ECOScience ENERGY CENTRE INSTALLATION AND USER MANUAL
E
d
ition:
01;
La
st
upda
te
d: 201
1-
04-1
2
© ECOScience
9 TROUBLESHOOTING
9.1 COMMON FAULTS AND SOLUTIONS
Description of problem Possible cause Solution
Noise from pump or radiators/floor
heating. Often caused by air in the system. Bleed the air out of the system,
including the pump.
Fault in flow switch. This may be due to dirt in the flow
switch or if the switch is broken. Clean the flow switch.
Low pressure in the system tank.
Manometer shows a pressure of
<0.9 bar. Possible leak or air has bled from
the system with no topping up. Contact Service Representative.
No heat coming out to the radiators/
floor heating. Manual operation of shunt has been
activated via the control system or
actuator has been set to manual.
Error in radiator circuit circulation
pump.
Can be caused by air in the system.
Check that the system is not set
to manual operation (”6.3.2
Manual operation”)
Contact your Service
Representative if the circulation
pump has a fault.
Bleed the air out of the system,
including the pump.
Phase L1 lamp illuminated in I/O
menu Fault with incoming phase (L1). Contact a qualified electrician.
Phase L2 lamp illuminated in I/O
menu Fault with incoming phase (L2). Contact a qualified electrician.
Temperature value on screen shows
N/A. Sensor broken or not connected. Check sensor or contact Service
Representative.
The control system indicates hot
water being drawn but this is not
happening. Dirt may have collected in the flow
switch from incoming cold water
(municipal or from own well). Clean the flow switch.
Temp. value on screen shows -40°C. Broken sensor or broken wire. Contact Service Representative
for change of temp. sensor.