AHU-KIT
40
7.3.2 Maintenance After the Seasonal Use
(1) Set the unit in fan mode for half a day in a sunny day to dry the inner part of unit.
(2)
When the unit won’t be used for a long time, please cut off power supply for energy
saving; the characters on the wired controller screen will disappear after cutting off the
power supply.
7.4 Disposal Requirements
Dismantling of the unit, treatment of the refrigerant, of oil and of other parts must be done in
accordance with relevant local and national legislation.
8 Table of Error Codes for Indoor Unit
Error
Code
Content
Error
Code
Content
Error
Code
Content
L0
Indoor Unit Error
L9
Quantity Of Group Control
Indoor Units Setting Error
d8
Water Temperature
Sensor Error
L1
Error From External
Feedback
LA
Indoor Units
Incompatibility Error
d9
Jumper Cap Error
L2
E-heater Protection
LH
Low Air Quality Warning
dA
Indoor Unit Hardware
Address Error
L3
Water Full Protection
LC
Outdoor-Indoor
Incompatibility Error
dH
Wired Controller
PC-Board Error
L4
Wired Controller
Power Supply Error
d1
Indoor Unit PC-Board
Error
dC
Capacity DIP Switch
Setting Error
L5
Anti-Frosting
Protection
d3
Ambient Temperature
Sensor Error
dL
Outlet Air Temperature
Sensor Error
L6
Model Conflict
d4
Inlet Piping Temperature
Sensor Error
dE
Indoor Unit CO
2
Sensor Error
L7
No Master Indoor
Unit Error
d6
Outlet Piping
Temperature Sensor
Error
C0
Communication Error
L8
Power Insufficiency
Protection
d7
Humidity Sensor Error
AJ
Filter Cleaning
Reminder
db
Special Code: Field Debugging Code
