F9- Outdoor Ee Error - Toyotomi KURO Mini Service Manual

（17）F9- outdoor EE error
Cause: Many parameters need to be preset for the running of the
external unit of the air conditioner and such parameters are placed in a
data storage 8-feet chip, which is called "EEPROM" or "EE" for short.
The motor on the main external control panel can only work after
reading the data stored in EE and if not read, the alarm "outdoor EE
Explanation of
error" would be reported and raised in the internal machine. Reasons
for data not being read are as follows:
error
1. wrong EE chip data format;
2. EE chip is broken;
3. bad contact of EE or fault of EE reading circuit;
4. backward installation of EE chip.
Inspection path: main external control panel.
Tools required
None.
for inspection
Frequent
Bad contact of EE, main external control panel.
problematic part
Inspection
procedure and 1. Replace the main external control panel directly.
key points
17