York YK Fault Code EA
York YK Fault Code EA is a warning alarm indicating: High condenser pressure. The most common causes include Condenser water temp too high. 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
High condenser pressure
Brand: York | Model: YK (Centrifugal Chiller (Water-Cooled)) | Code: EA | 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
- Condenser water temp too high
- Non-condensables
- Refrigerant overcharge
- Condenser tubes fouled
Recommended Inspection Steps
- Check condenser water temp
- Vent non-condensables
- Verify charge
- Clean tubes
Required Tools & Equipment
- Coil cleaning brush and coil cleaner
- 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 York service representative for warranty-covered repairs
Related Fault Codes
Other York YK codes that may be related:
OEM Service Manual Reference
OEM Reference: York YK Centrifugal Chiller Service Manual (Form 160.60-S1). Johnson Controls Technical Literature.
Frequently Asked Questions
What does York YK fault code EA mean?
Fault code EA on a York YK chiller indicates: High condenser pressure. This is a warning alarm that requires diagnostic attention.
What causes York YK alarm code EA?
Common causes include: Condenser water temp too high; Non-condensables; Refrigerant overcharge
How do I fix York YK error code EA?
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 York service representative.