Heat Controller DMC24DB-1, DMH24DB-1 Error Title Cause of error Check point & Normal condition

Troubleshooting Guide

Error	Title	Cause of error	Check point & Normal condition
code
		• Discharge sensor	• Check the discharge pipe sensor.
33	D-Pipe Temp. High		• Check the install condition for over load.
		temp. high	• Check the leakage of refrigerent.
			• Check the SVC V/V open.

COMP OFF

115° C(239° F)

LEV OPEN(16PULSE/MIN)

100° C(212° F)

LEV OPEN(10PULSE/MIN)

95° C(203° F)

NORMAL

A2UH243FA0/A2UC243FA0

❑Check Point

1.Check the install condition for over load.

2.Check the SVC V/V open.

3.Check the leakage of refrigerent.

4.Check the constant compressor.

Error	Title	Cause of error	Check point & Normal condition
code
51	Capacitor error	• Over Capacitor com-	• Check the indoor unit capacity.
		bination	• Check the combination table

❑Check Point

1.Check the indoor unit capacity.

2.Check the combination table.

★In the tropical model case

➔single cycle has no error for over capacity.

64Multi type Air Conditioner