McQuay MWH User Manual

MCQUAY Service Guide Book Diagnosis
72
7.3 MDS Diagnosis
(A)Indoor Units
Model Board Handset
A(5)WMD 09/10/15/20/25 G MC201-C G17
A(5)CKD 20/25/30/40/50 A MC201-C G17
A(5)CKD 10/15/20 C MC201-C G17
A(5)CMD 20/25/28 E MC201-C G17
A(5)CMD 40/50 D MC201-C G17
A(5)CMD 62 C MC201-C G17
A(5)CCD 10/15/20/25/30/40/50/60 C MC201-C MC301
A(5)DBD 80/100 MC201-A MC301
Error Diagnosis by Indoor Unit LED Indicator
● OFF ○ ON BLINK
Error Diagnosis by Wired Controller (MC301)
ITEM CODE DESCRIPTION
1 E0 System malfunction
2 E1 Sensor Broken (TH1 discharge Temp.)
3 E2 Sensor Broken (TH2 inlet coil 1#)
4 E3 Sensor Broken (TH3 mid coil 1#)
5 E4 Sensor Broken (TH4 inlet coil 2#)
6 E5 Sensor Broken (TH5 mid coil 2#)
7 E6 Sensor Broken (TH6 inlet coil 3#)
8 E7 Sensor Broken (TH7 mid coil 3#)
9 E8 Sensor Broken (TH8 ambient temp)
10 E9 Sensor Broken (TH9 outlet coil)
11 EA Sensor Broken (TH10 subcool outlet)
12 EB Sensor Broken (TH11 subcool suction)
13 EC Sensor Broken (TH12 suction)
14 EF Emergency Run
15 F0 Outdoor Storage Malfunction
16 F1 Sensor Broken (indoor inlet coil)
17 F2 Sensor Broken (indoor mid coil)
ITEM
TYPE COOL / HEAT
(Green / Red)
SLEEP / FAN
(Red / Orange)
TIMER / DRY
(Orange)
1 Indoor Sensor Error
● ●
2 Indoor Pump Error
● ●
3 Communication Error
● ●
4 Outdoor Sensor Error
●
5 Compressor Overload
● ●
6 Pressure Switch Trip
●
7 Pressure Sensor Error
○
8 System Failure
9 Others
○ ○

McQuay MWH Specifications

General

Brand	McQuay
Model	MWH
Category	Air Conditioner
Language	English