20
Toshiba
Toshiba air conditioner error 20
Meaning
PMV leakage error (unit B)
Models
Heat pump RAS-3M18G3AVG-E, RAS-2M18G3AVG-E
Meaning
PMV leakage error (unit C) Miswiring (mispiping) check error
Models
Heat pump RAS-3M18G3AVG-E, RAS-2M18G3AVG-E
Meaning
PMV leakage error (unit A)
Models
Heat pump RAS-3M18G3AVG-E, RAS-2M18G3AVG-E
Meaning
PMV error for A room
Models
Heat pump RAS-3M18G3AVG-E, RAS-2M18G3AVG-E
Meaning
PMV error for C room
Models
Heat pump RAS-3M18G3AVG-E, RAS-2M18G3AVG-E
Meaning
PMV error for B room
Models
Heat pump RAS-3M18G3AVG-E, RAS-2M18G3AVG-E
How the unit shows it
- Outdoor LED display: *○*○
Causes and how to check
- 3 possible causes
- 3 checks in order
- the repair procedure printed in the service manual
- the cited manual page, and follow-up questions
No account needed to look up codes.