SERVICE (cont.)
Electronic Control Assembly Troubleshooting:
Check these items first
•Is circuit board popped out of bracket?
•Is circuit board wet due to misaligned overflow tube?
•Is water in overflow cup activating float switch?
•Is overflow cup not making good contact with tank?
•Is dispenser being operated with panels removed?
H10X LIQUID LEVEL CONTROL
PROBLEM: Does Not Refill
Overflow Cup Full | Yes | Remove Power |
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| Drain cup |
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| No |
| Retry |
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Disconnect Level Probe |
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Voltage present at | Yes | Does Water Flow | Yes | ||
Solenoid Valve |
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| Replace Probe | ||
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| No |
| No |
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| Unplug P2 from Circuit Board |
| Replace Solenoid Valve |
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| Voltage present at | Yes | Repair shorted wires |
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| Solenoid Valve |
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| leading to P2. | |
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| No |
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| Replace Control Assembly |
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Triac Assy |
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| H10X LIQUID LEVEL CONTROL | ||
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| PROBLEM: Overflows | ||
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| AutomatWater |
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Electronic | Drain cup |
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arranty! |
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Control | WARNING |
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HAZA |
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BEFOWREERRESECOMTUOFRVRICNOEGM! |
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| VOLRDO |
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| DIS TAGEUS |
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| POCONN |
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| Unplug P2 from Circuit Board | ||
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| Retry |
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| Overflow |
| No |
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| Repair shorted wires | |
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| leading to P2 | |
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| P1991 | Yes |
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FIG. 1 ELECTRONIC CONTROL AND TRIAC | Drain cup |
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Disconnect wire from
Refill Probe
Short Probe Wire
To Chassis
Location: | Retry |
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The electronic control assembly is located inside |
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the side of the dispenser. Access will also be needed | Overflow | No |
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| Replace Probe | |||||
to the temperature sensor, overflow tube temperature | ? |
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sensor, and liquid level probe located on the tank lid | Yes |
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and to the triac assembly located on the inside of the |
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Drain cup |
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rear wall. |
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Disconnect Wire From |
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| Solenoid Valve |
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General: | Retry |
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This system controls the liquid level and water tem- |
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perature of the dispenser. These two functions act in- | Overflow | Yes |
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Replace Solenoid Valve | ||||||
dependently of each other and should be tested sepa- | ? |
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rately. | No |
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Replace Control Assembly
10 | 10889 091599 |
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