P9
Casper
Casper air conditioner error P9
Meaning
Drive protection (software control )
Models
TAC-09CHSA, TAC-12CHSA, TAC-18CHSA, TAC-24CHSA
How the unit shows it
- Function indicator: RUN: Blink; TIMER: 9 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
Guides
- Communication error between indoor and outdoor unit: what to check, in which order
Communication (transmission) error codes usually come from the connecting wire, the supply or a board. The checks from easy to hard.