| Problem | Possible Cause | Solution | |---------|----------------|----------| | Unit won’t start | No power, fuse blown | Check outlet, replace fuse (5A, 250V) | | Low flow rate | Clogged inlet filter | Clean filter (see page 8) | | Error E01 | Sensor failure | Run calibration or replace sensor | | Overheating | Blocked vents | Clear obstructions, let cool 30 min | | Display flickers | Loose ribbon cable | Contact service | | Leak from housing | Damaged seal | Replace seal kit (part #PR70-SEAL) |
Error Codes:
For unresolved issues, call support with error code. | Problem | Possible Cause | Solution |
Document Revision: 1.0 Date: October 2023
IMPORTANT Read and understand this manual before installing, operating, or servicing this unit. Retain this manual for future reference. For unresolved issues, call support with error code
| Symptom | Possible cause | Fix | |---------|----------------|-----| | Pump runs but no flow | Air lock, blocked impeller | Re‑prime, clean impeller. | | Motor hums, not start | Capacitor failed, seized bearing | Test capacitor (µF), replace pump. | | Pressure fluctuates | Fouled pressure sensor, tank bladder failure | Clean sensor, replace tank. | | Overheating | Run dry, high ambient temp | Check water supply, improve ventilation. | | Fault code E04 | Dry run | Refill tank, reset controller. |
Resetting controller after fault: Power off 30 sec → power on → press RESET. Document Revision: 1
Checklist before installation:
Given the 10-page constraint, the manual is likely structured to maximize density without overwhelming the reader.