Carrier XPOWER 38VYX110 - Manual (Page 12)

GB - 11
38VYX110/38VYX130
E N G L I S H
Final installation checks
Check and Test Operation
For R410A, use the leak detector exclusively manufactured for
HFC refrigerant (R410A, R134a, etc.).
• The conventional leak detector for HCFC refrigerant (R22,
etc.) cannot be used because its sensitivity for HFC refrigerant
lowers to approx. 1/40.
• Pressure of R410A is approx. 1.6 times higher than that of
R22.
If installation work is incompletely finished, a gas leakage may
occur when pressure rises during operation.
Therefore, be sure to test the piping connections for leakage.
LED indication Cycle control
Cause
P.C. board
LED indication
D800 D801 D802 D803
Ț Ȝ Ȝ Ȝ Heat exchanger sensor (TE) error
Ȝ Ȝ Ț Ȝ Suction sensor (TS) error
Ț Ț Ȝ Ȝ Hot gas discharge sensor (TD) error
D800 O: Red Ȝ Ț Ȝ Ț High-pressure protection error
D801 O: Yellow Ȝ Ț Ȝ Ȝ Outdoor air temperature sensor error (TO)
D802 O: Yellow Ț Ț Ț Ȝ Outdoor motorised fan error DC
D803 O: Yellow Ț Ȝ Ȝ Ț Communication error between IPDU (Abnormal stop)
Ȝ Ț Ȝ Ț High-pressure release operation
« : Flashing Ȝ Ț Ț Ȝ Discharge temp. error: hot gas is too high
Ȝ : Off Ț Ț Ȝ Ț EEPROM error
Ț : On Ȝ Ȝ Ț Ț Communication error between IPDU (Normal stop)
« Ȝ Ȝ Ȝ G-Tr short-circuit protection
Ȝ « Ȝ Ȝ Detect circuit error
« « Ȝ Ȝ Current sensor error
Ȝ Ȝ « Ȝ Comp. lock error
« Ȝ « Ȝ Comp. break down
LED indication and code checking
• Check gas leakage at the flare nut connections, valve stem
cap connections and service port cap fittings with a leak
detector or soap water.
Useful Functions
Self-Diagnosis by LED Indication
Troubles of the outdoor unit can be diagnosed by LED indica-
tions on the cycle control P.C. board of the outdoor unit. Utilize
them for various checks.
For the check by remote controller of the indoor unit, refer to the
Installation Manual of the outdoor unit.
Before a check, confirm each bit of the DIP switch is set to OFF
position.