Midea MCH2U-18PHH2 User Manual

40
Bit2
Frequency limit caused by T5.
Bit5=1, Bit3=1,
and Bit1=1.
This means
that a
frequency limit
may be caused
by T4, T3, or
the current.
Bit1
Frequency limit caused by current
Bit0
Frequency limit caused by voltage
43 Average value of T2 (Sum T2 value of all indoor units)/(number of indoor units in good
connection)
44 Outdoor unit fan motor state Off: 0, High speed:1, Med speed: 2, Low speed: 3, Breeze:4,
Super breeze: 5
45 The last error or protection code 00 means no malfunction and protection
46 F indoor unit capacity
47 F indoor unit capacity demand code
48 F indoor unit evaporator outlet temperature
(T
2B
F)
49 F indoor unit room temperature (T
1
F)
50 F indoor unit evaporator temperature (T
2
F)
51 EXV open angle for F indoor unit
8.3.2 Outdoor Unit Digital Display
A digital display is featured on the outdoor PCB.
The LED displays different codes in the following situations:
 Standby: “- -.”
 Compressor operation: the running frequency.
 Defrosting mode: “dF” or alternative displays between running frequency and
“dF” (ach appears for 0.5s.)
 Compressor pre-heating: “PH” or alternative displays between running frequency
and “PH” (each appears for 0.5s.)
 Oil return process: “RO” or alternative displays between running
frequency and “RO” (each appears for 0.5s.)
 Low ambient cooling mode: “LC” or alternative displays between running
frequency and “LC” (each appears for 0.5s.)
 Forced cooling mode: the LED displays “FC” or alternative displays between running
frequency and
“FC” (each appears for 0.5s).
 PFC module protection occurs three times within 15 minutes: “E6” or
alternates between displays of running frequency and “E6” (each appears for 0.5s.)
 In protection or malfunction, the LED displays an error code or protection code.

Midea MCH2U-18PHH2 Specifications

General

Brand	Midea
Model	MCH2U-18PHH2
Category	Air Conditioner
Language	English