YMGI VRFI-07EW-D2B(55)5, Installer'S Instruction & User'S Manual

Page: 34 / 37

To Remove the Air Filter
By holding onto the bottom slot of the air filter slightly push the filter in an upward at a slight angle and pull
downward carefully.
Cleaning
To clean the dust adhering to the filters, you can either use a vacuum cleaner, or wash them with warm water and a
neutral detergent, the water should be below 113°F. When the filters have been cleaned, dry them air dry
completely out of direct sunlight.
NOTE:
Never use water hotter than 113°F to wash the unit or the filters as this can discolor and/or deform
the unit. Never dry the filters by a fire or open flame as this can be dangerous. Always air dry the filters.
Reinsert the filters
Reinsert the filters aligning with the arrow head, then cover the surface panel and clasp it.
CHECKING BEFORE COOLING/HEATING SEASON COMES:
1. If the unit is still connected to the correct electric power V/Ph/Hz.
2. If the unit is still securely fastened.
3. If the batteries of remote control are good.
4. If the filter is loaded and clean
5. If the intake and discharge vents are clear from any obstructions.
MAINTENANCE AFTER USING
1. Turn main power off, by disconnecting electrical power disconnect switch.
2. Clean filter and unit.
3. Cover the unit to keep dust or moisture out of the unit.
PROTECTION AND ERROR CODES
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 Indoor Fan Protection LA
Indoor Units Incompatibility
Error
d9 Jumper Cap Error
L2 E-heater Protection LH Low Air Quality Warning dA
Indoor Unit
Network Address Error
L3 Water Full Protection LC
Outdoor-Indoor
Incompatibility Error
dH
Wired Controller Circuit
Board Error
L4
Wired Controller Power
Supply Error
D1
Indoor Unit Circuit Board
Error
dC
Capacity DIP Switch Setting
Error
L5
Anti-freezing Protection
D3
Ambient Temperature Sensor
Error
dE
Indoor Unit CO
2
Sensor Error
L7
No Master Indoor Unit Error
D4
Inlet Pipe Temperature
Sensor Error
C0
Communication Error
L8
Power Insufficiency
Protection
D6
Outlet Pipe Temperature
Sensor Error
AJ Filter Cleaning Reminding
db
Special Code:
Project Debugging Code
dL
Outlet Air Temperature
Sensor Error
CHECKING UNITS PRIOR TO CONTACTING YOUR TECHNICIAN
Do not repair the air conditioner yourself. An Incorrect repair may cause electric shock or fire, so please
contact an authorized service center for professional repair.