York YCAL Fault Code FE
York YCAL Fault Code FE is a warning alarm indicating: Sensor calibration error. The most common causes include Sensor reading outside calibration range. Estimated repair time: 30-60 minutes (requires sensor replacement and calibration verification). This alarm requires immediate attention by a certified HVAC technician.
Alarm Description
Sensor calibration error
Brand: York | Model: YCAL (Air-Cooled Scroll Chiller) | Code: FE | 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
- Sensor reading outside calibration range
- Sensor drifted significantly
- Reference temperature changed
Recommended Inspection Steps
- Identify which sensor needs calibration
- Perform calibration per OEM procedure
- Replace sensor if cannot calibrate
- Verify calibration with reference thermometer
Required Tools & Equipment
- Infrared thermometer or calibrated temperature probe
- Safety PPE (gloves, safety glasses, face shield)
Estimated Repair Time
30-60 minutes (requires sensor replacement and calibration verification)
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 YCAL codes that may be related:
OEM Service Manual Reference
OEM Reference: York YCAL Air-Cooled Scroll Chiller Installation and Maintenance Manual (Form 160.00-S1). Johnson Controls/York Technical Literature.
Frequently Asked Questions
What does York YCAL fault code FE mean?
Fault code FE on a York YCAL chiller indicates: Sensor calibration error. This is a warning alarm that requires diagnostic attention.
What causes York YCAL alarm code FE?
Common causes include: Sensor reading outside calibration range; Sensor drifted significantly; Reference temperature changed
How do I fix York YCAL error code FE?
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.