Teledyne Laars Hi-E EPH 300, Руководство пользователя, Страница: 10 / 18

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Figure 8. Troubleshooting Flowchart
YES
1. Is pool pump on?
2. Is pool filter clean?
3. Are all pool valves open?
4. Perform back pressure test (see Section 3B-2).
1. Check high limit switches.
2. Check high limit switch wires.
3. Check Fireman's switch.
4. Perform temperature rise test (see Section 2E).
Check fuse.
NOTE: Blown fuse is sign of short or overload.
Do not bypass or jumper.
1. Check burner chamber seals.
2. Check for excessive heat in control area.
3. Replace fusible link.
Is WATER BELOW
TEMP light on? NO
24VAC at Transformer Secondary
24VAC at Pressure Switch Red Wire
24VAC at Pressure Switch Blue Wire
24VAC at Fusible Link Blue Wire
24VAC at Fusible Link Red Wire
Is Combustion Fan
Operating?
Table 3. Temp Control Sensor Resistance
Water Temperature Sensor Resistance
°F °C Ohms
50 10 19,906
60 16 15,314
70 21 11,884
80 27 9,299
90 32 7,333
100 38 5,827
NO
120VAC at Terminal
F2 on Ignition
Control?
120VAC at Terminal
F1 on Ignition
Control?
Check 120V wiring from
Power Supply.
Replace Ignition Control.
YES
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1. Verify supply voltage at transformer primary.
2. Check circuit breakers.
3. Check transformer wiring.
4. Replace transformer.
YES
YES
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
1. Turn temperature control up to call for heat.
2. Push proper POOL/SPA button.
3. Check temperature control sensor (see Table
3).
4. Check all wiring to temperature control
circuit board and touch panel.
Is FAN ON light on?
NO
Check fan and fan
wiring. YES