Daikin WME Fault Code E17
Daikin WME Fault Code E17 is a warning alarm indicating: Condenser approach temperature high. The most common causes include Fouled condenser tubes. Estimated repair time: 4-6 hours (requires isolating water circuit, mechanical or chemical tube cleaning). This alarm requires immediate attention by a certified HVAC technician.
Alarm Description
Condenser approach temperature high
Brand: Daikin | Model: WME (Water-Cooled Screw Chiller) | Code: E17 | Severity: Warning
Observable Symptoms
- Controller displays alarm code and description
- Chiller may be locked out or running in degraded mode
- Alarm indicator light is illuminated on control panel
What to Check First
Before diving into detailed diagnostics, start with this quick first check:
Probable Causes
- Fouled condenser tubes
- Non-condensables
- Refrigerant overcharge
- Condenser flow low
Recommended Inspection Steps
- Calculate approach temp
- Inspect tubes
- Check non-condensables
- Verify flow
- Clean tubes
Required Tools & Equipment
- Coil cleaning brush and coil cleaner
- Infrared thermometer or calibrated temperature probe
- PT chart for refrigerant type
- Safety PPE (gloves, safety glasses, face shield)
Estimated Repair Time
4-6 hours (requires isolating water circuit, mechanical or chemical tube cleaning)
When to Call a Professional
- If the fault persists after completing all recommended inspection steps
- If you observe unusual noises, vibrations, or oil leaks from the compressor
- If refrigerant charge levels are outside OEM specifications and EPA-certified recovery is needed
- If electrical measurements show voltage imbalance greater than 2% between phases
- If the fault recurs immediately after reset, indicating an unresolved safety condition
- Contact an authorized Daikin service representative for warranty-covered repairs
Related Fault Codes
Other Daikin WME codes that may be related:
OEM Service Manual Reference
OEM Reference: Daikin WME Water-Cooled Screw Chiller Service Manual. Available through Daikin Applied technical support.
Frequently Asked Questions
What does Daikin WME fault code E17 mean?
Fault code E17 on a Daikin WME chiller indicates: Condenser approach temperature high. This is a warning alarm that requires diagnostic attention.
What causes Daikin WME alarm code E17?
Common causes include: Fouled condenser tubes; Non-condensables; Refrigerant overcharge
How do I fix Daikin WME error code E17?
Follow the recommended inspection steps below. Start with the quick check, then proceed through each step. If the fault persists after all steps, contact an authorized Daikin service representative.