P4
Casper
Casper air conditioner error P4
Meaning
Exhaust over temperature protection
Models
TAC-09CHSA, TAC-12CHSA, TAC-18CHSA, TAC-24CHSA
How the unit shows it
- Function indicator: RUN: Blink; TIMER: 4 blink /8 sec
Causes and how to check
- the cited manual page, and follow-up questions
No account needed to look up codes.
Model series: TAC