n
If the compressor moves to an incorrect fre-
quency range within 15 minutes, a safety shut-
down occurs and the unit shows "E6"
n
If there is a malfunction, the malfunction is dis-
played coded. See the "Outdoor unit malfunc-
tion display" table
1
Fig. 27: Check key on the outdoor unit's board
1: Check key
Query operating statuses
The SW1 "Check" key is located on the control board in the outdoor unit. You can use this key to query dif-
ferent operating statuses. Pressing it multiple times takes you to the different parameter levels (see table
below):
Item Display
Description
0
Standard display
Current compr. freq. or malfunct. display
1
Number of indoor units detected
Current value
2
Operating mode (coded)
Standby:0, Recirculation mode:1, Cooling
mode:2, Heating mode:3 Force mode for test
purposes:4 Defrosting:5
3
Indoor unit A connected load
The load is displayed in HP. If no unit is con-
nected or detected, the display shows the fol-
lowing: “――” (2.0 kW=0.8 HP, 2.6kW=1.0 HP,
3.5 kW=1.2 HP, 5kW=1.5 HP)
4
Indoor unit B connected load
5
Indoor unit C connected load
6
Indoor unit D connected load
7
Indoor unit E connected load
8
Indoor unit A power requirement
Current value*HP 2.0 kW=0.8 HP, 2.6kW=1.0
HP, 3.5 kW=1.2 HP, 5kW=1.5 HP)
9
Indoor unit B power requirement
10
Indoor unit C power requirement
11
Indoor unit D power requirement
12
Indoor unit E power requirement
13
Total power requirement of all indoor units
14
Current frequency requirement depending on the
total power requirement
15
Frequency limit
16
Frequency that is transferred to the compressor
33
