Olimpia splendid SHERPA MONOBLOC Instructions Pour L'installation, L'emploi Et L'entretien page 24

(Fig. 13)
Troubles of the inverter can be diagnosed by LED
indications on the cycle control P.C. board of the outdoor
unit. Utilize them for various checks.
LED indication and code checking
LED indication
D800 O: Red
D801 O: Yellow
D802 O: Yellow
D803 O: Yellow
: Flashing
: On
Board position:
24
LED indication
D800 D801 D802
OFF position.
D803
Heat exchanger sensor (TE) error
Suction sensor (TS) error
Hot gas discharge sensor (TD) error
High-pressure protection error
Outdoor air temperature sensor error (TO)
Outdoor motorised fan error DC
Communication error between IPDU (Abnormal stop)
High-pressure release operation
Discharge temp. error: Hot gas is too high
EEPROM error
Communication error between IPDU (No abnormal stop)
G-Tr short-circuit protection
Detect circuit error
Current sensor error
Comp. lock error
Comp. break down
Cause