23
Café
Siphon / Drain Backflow Detected
Washer-dryer combo displays error code 23; unit may stop filling and drain immediately.
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Possible Causes
Drain hose too low, Drain hose sealed in standpipe, Incorrect installation height, Standpipe configuration causing back-siphon
How to Fix / Troubleshooting
Safety first: Disconnect power before moving the appliance.
Steps:
- Verify installation height: Ensure the drain hose height meets Café specifications (typically 30–96 inches above floor).
- Provide air gap: Make sure the drain hose is not taped or sealed tightly into the standpipe. There must be an air gap to prevent siphoning.
- Secure hose: Use the supplied U-shaped guide to secure the hose at the correct height without kinks.
When to call a technician: If installation is correct and code 23 persists, internal pressure sensing or control logic may be at fault and should be checked by a technician.
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Repair Difficulty
Easy
2/5
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