Whenever a fault is detected in any of the sensors, the
control LEDs will flash in a specific way, to indicate the lo-
cation of the problem, and the control will assume a specific
operating condition.
•
Call For Heat LED is flashing (Fig. 12):
–
There is a short or open circuit to OATS Sensor
–
And the control assumes an outdoor
temperature of 30°F
•
Pump Performance Reduced LED is flashing
(Fig. 13):
–
There is a short or open circuit to the Supply
Sensor
–
And the control runs pump at 10% and
does boiler protection if enabled.
Page 15
Figure 13
- Control Lights
(Pump Performance Reduced)
Call for Heat
% Of Pump Perf.
Power On
Pump Perf. Reduced
Boiler
Figure 12
- Control Lights (Call For heat)
7.
Error Messages and
Trouble Shooting
Call for Heat
% Of Pump Perf.
Power On
Pump Perf. Reduced
Boiler
