Here you can find the lists of possible errors which may happen to your Ducane heat pump. There are the lists describing the cause of Ducane SH13 or 2HP13 heat pump not working properly.
The tables below describe the error codes which give you the information about the reason, for instance, of heat pump not cooling or heat pump fan not spinning. The descriptions are detailed, you can see the keys for flashes with different rate and colors, and the corresponding faults.
If you find what is the matter with your heat pump, do not try to repair it on your own. Call the specialist and tell about the situation.
Ducane SH13 Series Heat Pump Troubleshooting
| LED Status | Flashing Rate | Fault Description |
|---|---|---|
| Slow Flash | One flash per second | Normal operation: No call for heat |
| Fast Flash | Two flashes per second | Normal operation: Call for heat |
| 2 Flash | Two flashes in second with 1-second pause | System lockout: Failed to detect or sustain flame |
| 3 Flash | Three flashes in 1.5 seconds with 1-second pause | Pressure switch senses incorrect pressure or gas valve coil is open. |
| 4 Flash | Four flashes in 2 seconds with 1-second pause | High limit or rollout switch open |
| 5 Flash | Five flashes in 2.5 seconds with 1-second pause | Flame sensed and gas valve not energized |
| Steady | -- | Internal failure: Micro-controller failure; self-check |
Ducane 2HP13 Heat Pump Troubleshooting
| Red LED (DS1) | Green LED (DS2) | Mode |
|---|---|---|
| Off | Off | No Power to Board |
| Simultaneous Slow Flash | Simultaneous Slow Flash | Normal Operation/ Power to Board |
| Alternating Slow Flash | Alternating Slow Flash | Anti-Short Cycle Lockout |
| Slow Flash | Off | Low Pressure Switch Fault |
| On | Off | Low Pressure Switch Lockout |
| Off | Slow Flash | High Pressure Switch Fault |
| Off | On | High Pressure Switch Lockout |