| Error Code | Meaning | Safe first steps | Technician required | Related help |
|---|---|---|---|---|
| C1 | Pump-out during drain has exceeded 2 minutes. | Clean the air gap, replace or reposition the drain hose, and run the disposer to clear it. | Yes — if the problem persists after those official drain-path checks. | |
| C3 | The dishwasher will not drain. | Disconnect power at the circuit breaker for about 30 seconds, then reset the dishwasher. | Yes — if the code returns after the reset. | |
| C4 | Machine filled twice after a power failure; possible stuck/failed float switch or clogged drain/sump. | Press Start, then Cancel/Reset. Tap the float cover to unstick it and check the sump area for debris. | Yes — if the problem persists after those official checks. | |
| C5 | Pump-out time is too short. | Make sure the water supply is on, try the same cycle again, and tap the float cover to unstick it. | Yes — if the issue does not clear after the official retry/checks. | |
| C7 | Water-temperature sensor circuit has become inoperative. | Disconnect power at the circuit breaker for about 30 seconds, then reset the dishwasher. | Yes — if the code returns after the reset. | |
| FTD / F56 | Failure to drain. | Check the drain hose, air gap, and disposer for restrictions. | Yes — if the dishwasher still will not drain after those official checks. | |
| LEAK DETECTED | Possible leak detected; the cycle will be canceled on models with leak detection. | Stop use and follow GE’s leak-protection guidance; do not continue regular operation until the cause is addressed. | Yes — GE says to contact service if LEAK DETECTED is displayed. | |
| 999 | Possible leak detected on models with Floor Protect with Alert. | Reset the control per GE guidance; if leak-protection remains active, do not continue normal use. | Yes — service is recommended if 999 / Floor Protect does not clear. | |
| H2O | Low-water situation. | If H2O appears only during 1-Hour Wash, schedule service. On other cycles, double-check that the inlet hose is not kinked. | Yes — in 1-Hour Wash, or after the official hose check does not resolve it. | |
| PrS | Pressure sensor is sending an invalid signal to the control. | No user repair is listed beyond basic restart/reset attempts. | Yes — GE says service is recommended; most likely a harness or sensor issue. |
GE Monogram Dishwasher Display Codes and System Checks
Explore GE Monogram dishwasher codes for incomplete draining, abnormal filling, temperature-sensor trouble, low water flow, invalid pressure readings, and detected leaks. The guide explains what each display indicates, which accessible areas can be inspected safely, and when a recurring alert requires professional dishwasher diagnostics in San Diego.

