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15
TROUBLESHOOTING
General
Symptom Possible Cause Solution
No Hot Water •No Power
•Safety ermal Cut O Tripped
•Not Enough Flow Rate To Activate
•Plugged Flow Sensor
•Utility Controlling Load
•Reset ermal Cut O
•Wrong Size Pump
•Activate ermostat/
Clean Flow Sensor
Water Not Hot Enough •Water Flow Too High
•Voltage To Low
•Glycol/Water Ratio Too High
•Manifold or Ball Valve Closed
•Reduce Water Flow Rate
•Supply Correct Voltage to Unit
•More than 20%, less than 50%
•Open Loops/Ball Valves
LEDs Do Not Light •Problem With Electronic Controls Call Tech Support at 763-331-3066
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