SD Carel USA
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POWER CONTACTOR CHATTERS:
Causes:
1. Installation dirt has gotten into the contactor and is interfering with its free movement.
2. Secondary voltage is too low.
3. Controller triacs are weak or damaged.
Remedies:
1. Clean out the contactor or replace it.
2. Check for proper primary voltage and taps on primary side of transformer. Check output from transformer
secondary. If lower than 24 Vac, retap transformer. Check fuses on transformer.
3. Check voltage output from triacs on controller and replace controller if necessary.
UNIT RAPIDLY DEACTIVATES THE POWER CONTACTOR AND DRAINS AND FILLS:
Causes:
1. Water is foaming.
2. Softened water has been used.
3. Fill and/or drain valves are jammed.
4. High water conductivity.
Remedies:
1. Let the unit alone, it will take care of itself. See Section 9.
2. Change to raw water. Softened water has a high tendency toward foaming.
3. Clean or replace fill and/or drain valves.
TROUBLE SHOOTING NOTES:
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