Panasonic air conditioner error H 16
Meaning
low current consumption by the external unit - there is not enough freon, an open circuit in the current transformer circuit of the outdoor unit board, the IPM power module has failed
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Outdoor Current Transformer open circuit
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Outdoor current transformer (CT) abnormality
Models
CS-AU12BKH-8, CS-AU9BKH-8, CS-LU12AKH-8, CS-LU18AKH-8, CS-LU9AKH-8, CS-PU12AKH-8, CS-PU12XKH-8M, CS-PU18AKH-8, CS-PU18XKH-8M, CS-PU24XKH-8M, CS-PU9AKH-8, CS-PU9XKH-8M, CS-RU12AKH-8, CS-RU18AKH-8, CS-RU9AKH-8, CS-U12BKH-8, CS-U12XKH-8, CS-U12ZKH-8, CS-U18BKH-8, CS-U18XKH-8, CS-U18ZKH-8, CS-U24BKH-8, CS-U24XKH-8, CS-U24ZKH-8, CS-U9BKH-8, CS-U9XKH-8, CS-U9ZKH-8, CS-WPU12XKH-8, CS-WPU18XKH-8, CS-WPU24XKH-8 and 90 more
Meaning
Outdoor current transformer (CT) abnormality — Current transformer faulty or compressor faulty
Models
CS-E12QKEW, CS-E15QKEW, CS-E18QKEW, CS-E21QKEW, CS-E24QKEW, CS-E28QKES, CS-E7QKEW, CS-E9QKEW, CS-XE12QKEW, CS-XE12WKUAW, CS-XE15WKUAW, CS-XE18QKEW, CS-XE18WKUAW, CS-XE24WKUAW, CS-XE7QKEW, CS-XE9QKEW, CS-XE9WKUAW, CS-XZ20XKEW, CS-XZ25XKEW, CS-XZ35XKEW, CS-Z20XKEW, CS-Z25XKEW, CS-Z35XKEW, CS-Z42XKEW, CU-E12QKE, CU-E15QKE, CU-E18QKE, CU-E21QKE, CU-E24QKE, CU-E28QKE and 11 more
Causes and how to check
- 2 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.
Model series: CS/CU-AU, CS/CU-E, CS/CU-LU, CS/CU-PU, CS/CU-RU, CS/CU-U, CS/CU-WPU, CS/CU-XE, CS/CU-XPU, CS/CU-XU, CS/CU-XZ, CS/CU-YZ, CS/CU-Z
Guides
- Pressure, low refrigerant and high discharge temperature errors: where to start
Pressure and discharge-temperature protection codes: tell a low charge from a blockage or poor heat rejection before charging.