What It Means
- ZS Zoning Pressure Switch Opened (High Pressure)
Lennox Equipment not specified
Lennox Error Code 532
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 532
Priority condition: Information Only-Dealer Zoning Pressure Switch Opened (high pressure). • Compressor pressure is above the specified limit. • Compressor is turned off. • Zoning will be restored once the high pressure switch closes. Occasionally we get this with an AC system and the fix is to just jump out the pressure switch terminals on the damper control module board.
Applicable models & manual sources
- iComfort S30
ZS Zoning Pressure Switch Opened (High Pressure)
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
