Home
Lennox
Air Conditioner
MCB Series
Lennox MCB Series Service Manual
5
of 1
of 1 rating
48 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
44
9.3.3.
MCB012S4S-1L, MHB009S4S-1L and MHB012S4S-1L
1.
Disconnect the
compressor
connector and
remove the
grounding screw
.
2.
Pull out the wires from
electrical supporting
plate and turn over
the electronic control
assembly
.
3.
Remove the four
hooks to remove
the control box sub-
assembly
.
4.
Remove the two
hooks to remove the
xing board.
5.
Disconnect the
connectors from the
electronic control
board.
6.
Then remove the
four hooks securing
the electronic control
board(
43
45
Table of Contents
Table of Contents
1
Safety Considerations
3
General Troubleshooting
4
Error Codes
4
Complaint Form
5
Engineering Mode for System Query
6
Engineering Mode Codes
6
Engineering Mode Error Codes
6
Quick Maintenance by Error Code
7
Troubleshooting by Error Code
8
Ts01-Idu
8
Ts01-Odu
8
Ts02-S-Inv
9
Ts04-S-Idu
10
Ts04-S-Odu
13
Ts05-Idu
14
Ts05-Odu
15
Ts06-Inv
16
Ts07
16
Ts08-S
17
Ts09-S
18
Ts10-S
19
Ts12-S
20
Check Procedures
21
Temperature Sensor Check
21
Compressor Check
21
IPM Continuity Check
23
Reversing Valve Check
24
Temperature Sensor Resistance Values
25
Discharge Temperature Sensor Resistance Values
26
Pressure on Service Port
27
Cooling Chart (R-410A)
27
Heating Chart (R-410A)
28
R-410 System Pressure
29
Wiring Diagrams
30
MWCB Indoor Units
30
MCB Outdoor Units
31
MWHB Indoor Units
32
MHB Outdoor Unit
33
Indoor and Outdoor Unit Disassembly
35
MWCB and MWHB Unit Disassembly
35
Front Panel Removal
35
Control Board Removal
37
Evaporator Coil Removal
37
Fan Removal
38
Step Motor Removal
38
Drain Hose Removal
39
Outdoor Unit Disassembly
39
Mcb012S4S-1L, Mcb009S4S-1P
39
And MCB012S4S-1P
39
MCB018S4S-1P, MCB024S4S-1P, MHB009S4S-1L, MHB012S4S-1L MHB009S4S-1P, MHB012S4S-1P and MHB018S4S-1P
40
Mhb024S4S-1P
41
Control Board Removal
42
Mhb024S4S-1P
42
MCB009S4S-1P, MCB012S4S-1P, MCB018S4S-1P, MHB009S4S-1P, MHB012S4S-1P, and MHB018S4S-1P
43
Mcb012S4S-1L, Mhb009S4S-1L
44
And MHB012S4S-1L
44
Outdoor Unit Fan and Fan Motor Disassembly (All Models)
45
Fan Disassembly
45
Fan Motor Removal
45
Other manuals for Lennox MCB Series
Installation, Operation & Maintenance Manual
98 pages
Installation Instruction
20 pages
5
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Lennox MCB Series and is the answer not in the manual?
Ask a question
Lennox MCB Series Specifications
General
Brand
Lennox
Model
MCB Series
Category
Air Conditioner
Language
English
Related product manuals
Lennox MCFA
8 pages
Lennox MCA Series
8 pages
Lennox MCFA Series
8 pages
Lennox MCA012S4S-1P
44 pages
Lennox MCA018S4S-1P
44 pages
Lennox MCA024S4S-1P
44 pages
Lennox MCFA024S4-*P
168 pages
Lennox MCFA036S4-*P
168 pages
Lennox MCB012S4S-1L
20 pages
Lennox MCB018S4S-1P
20 pages
Lennox MCB024S4S-1P
20 pages
Lennox MS7
12 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
