Panasonic U-8ME1E81 Service Manual page 42

11. Alarm Information
11. Alarm Information
11-2. Current Protection
11-2-1. Inverter Compressor and Inverter Fan Motor
Alarm
H01
1
P16
P29
H31
List of over-current
Outdoor Unit
Primary current
Secondary current
11-2-2. Constant-Speed Compressor
An alarm occurs when over-current or lock current is detected.
List of over-current and lock currents
Outdoor unit
Overload current
Lock current
List of Alarms
Detected current
Alarm display
11-2-3. CT Circuit Detection Trouble
Compressor 1
Compressor 2
Compressor 3
Compressor 1 primary current detected over-current higher than values.
The fan motor current is included in primary current.
Compressor 1 secondary current detected over-current higher than values.
Occurs when missing phase or over-current is detected at inverter compressor start.
Occurs when HIC detects abnormal temperature.
8 hp 10 hp
15.1 19.8
19.6 21.8
12 hp 14 hp
16.3 13.6
19.3 16.1
Over current Lock current
Compressor 2
Compressor 3
Alarm
Occurs when an open CT circuit is detected in the inverter compressor.
Occurs when a current value of over 18A is detected when the inverter
H03 compressor is stopped.
Occurs when a primary current value of 0.7A or less is detected when the inverter
compressor is over 35Hz and the secondary current is over 7.0A.
Occurs when an open CT circuit is detected in the constant-speed compressor.
H13 Occurs when a current value of 2.0A or less is detected when the constant-speed
compressor is operating.
Occurs when an open CT circuit is detected in the constant-speed compressor.
H23 Occurs when a current value of 2.0A or less is detected when the constant-speed
compressor is operating.
Description
12 hp 14 hp
18.0 21.0
17.6 21.0
16 hp 18 hp
16.3 13.6
19.3 16.1
hp = horsepower
H11 H12
H21 H22
Description
1 - 34
2WAY SYSTEM
2WAY SYSTEM
Control Functions-Outdoor Unit Control Functions - Outdoor Unit
unit: Amp.
16 hp 18 hp 20 hp
21.0 21.0
22.5 21.0
hp = horsepower
unit: Amp.
20 hp
16.3
19.3
21.0
21.0