Lennox MPA012S4S-1L Service Manual page 6

SECTION 13 - FAULT CODES .............................................................................................126
SECTION 13.1 - QUICK REFERENCE GUIDE - FAULT CODES ........................................128
Single Zone 009/012 115VAC/208-230VAC Outdoor Units Quick Reference ...............129
Single Zone 018/030 208-230VAC Outdoor Units Quick Reference ............................130
Multi-Zone Outdoor Units Quick Reference .................................................................131
Indoor Unit Fault Code Units Quick Reference For ALL Indoor Units ........................132
SECTION 13.2 - TROUBLESHOOTING SINGLE ZONE OUTDOOR UNITS .......................133
SECTION 13.3 - TROUBLESHOOTING MULTI-ZONE OUTDOOR UNITS ...........................140
E0 Fault Code ................................................................................................................143
E0 Flow Chart ................................................................................................................144
E2 Fault Code ................................................................................................................145
E2 Flowchart ..................................................................................................................146
E3 Fault Code ................................................................................................................149
E3 Flow Chart ................................................................................................................150
E4 Fault Code ................................................................................................................152
E4 Flow Chart ................................................................................................................153
E5 Fault Code ................................................................................................................154
E5 Flow Chart ................................................................................................................155
E6 Fault Code ................................................................................................................160
E6 Flow Chart ................................................................................................................161
E8 Fault Code ................................................................................................................164
E8 Flow Chart ................................................................................................................165
F1 Fault Code ................................................................................................................168
F1 Flow Chart ................................................................................................................169
F2 Fault Code ................................................................................................................170
F2 Flow Chart ................................................................................................................171
F3 Fault Code ................................................................................................................172
F3 Flow Chart ................................................................................................................173
F4 Fault Code ................................................................................................................174
F4 Flow Chart ................................................................................................................175
F5 Fault Code ................................................................................................................176
F5 Flow Chart ................................................................................................................177
F6 Fault Code ................................................................................................................178
P1 Fault Code ................................................................................................................179
P1 Flow Chart ................................................................................................................180
P2 Fault Code ................................................................................................................182
P2 Flow Chart ................................................................................................................183
P3 Fault Code ................................................................................................................185
P3 Flow Chart ................................................................................................................186
P4 Fault Code ................................................................................................................188
P4 Flow Chart ................................................................................................................189
P5 Fault Code ................................................................................................................190
P5 Flow Chart ................................................................................................................191
P6 Fault Code ................................................................................................................192
P6 Flowchart ..................................................................................................................193
Lennox Mini-Split Service Manual / Page 6