Hitachi PC-ARFG-E Installation & Operation Manual page 105

SERVICE & INSTALLATION MENU
11 Flash memory check
Check flash memory.
?
N O T E
The checking process does not proceed to the next if "999" is shown in
the area indicated with .
Ⓐ
12 EEPROM check
- To keep EEPROM as it is:
Press " ".
To clear EEPROM
-
Press "OK" or leave the screen for 15 seconds, EEPROM
data is automatically cleared. Number is shown in
the area indicated with Ⓐ. "999" indicates defective
EEPROM.
?
N O T E
The checking process does not proceed to the next if "999" is shown in
the area indicated with Ⓐ .
13 After seconds, Wired Remote Controller automatically
finishes Self Checking process and restarts.
91 PMML0565 rev.1 - 04/2022

EEPROM process
Ⓐ
1 Clear EEPROM
Wired Remote Controller automatically starts EEPROM clear
process.
2 After seconds, Wired Remote Controller automatically
finishes Self Checking process and restarts.
Turn the power OFF on indoor units after self checking.
After all indicators on the remote controller are OFF, turn ON
the power of the indoor unit again.
Ⓐ