LG Multi V 5 - HEATING CAPACITY DATA

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_TROUBLE SHOOTING GUIDE BOOK __
3. FDD Mode
3.1 FDD Check List
■ Please check the following.
1. Automatic address setting has been preceded by a test drive will proceed on the premise.
After installation, auto address must be checked because it is related the number of Installation
2. 3 minutes after the initial power on test drive at one point.
After the power on, MICOM data reset and communication with indoor unit time is 3minute
3. Indoor units must be manufactured after Feb. 2009.
4. In FDD test drive, state of the test drive and error are displayed using 7 segment.
The process of the test drive and state of error are displayed using only the master outdoor unit.
5. If the error is occurred during the test drive, it will be operated the last step after turn off the test
drive. After the dipswitch off, pressing the black button for 2 seconds in order to reset all data and
return to operation standby state
6. SW04C (X: Cancel) button and SW01C (●: execute) button is pressed for more than 5 seconds at the
same time when the test drive must be turned of the reason of abrupt trouble during test drive.
7. All indoor units are turned off or the results are displayed after 90 seconds when the test drive is
over.
8. First, please pressing the main PCB reset button for 3 minutes when you want to use all FDD func-
tions.
9. Normal test run is operated when you use more than LGMV 7.1.1 version.
· If the product is used for the first time after installation, the ITR (Fd7) must be completed before
normal use.
· The indoor unit can not be operated during FDD operation (indicated by 'HL' on the wired remote
control).
· When replacing the main PCB, please use it as the old EEPROM. (Test run information is stored in
EEPROM)
3.2 FDD Code Display
Code Display Cause
E01
130% more than outdoor unit rated capacity or 80% less
than outdoor unit rated capacity
E02 System Unstable Error
E03 Temperature Range Error
E04 Can't operate FDD function to be frost
E05 In case error occurs during sensor checking process
E06 Occurs when the indoor unit number is one
E07 If not click the button in auto charging function
E08
FDD feature forced termination or Refrigerant auto
charging normal termination
E09 Wait a system
- off for operate FDD function
E10 Need additional refrigerant sealed
Itr / Inlt No FDD test run
PrEs / Butn
When it is judged that refrigerant sealing is necessary
during auto charging function
System error Occur system error
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