– 73 –
Flash
F13
F13
H01
H01
H02
H02
H03
H03
P04
P04
P07
P07
P22
P22
ALT
ALT
ALT
P26
P26
P29
P29
OperationTimer Ready
Check code
Display of receiving unit
Typical fault site
Description of error
Outdoor 7-segment display
TCC-LINK
central control
or main remote
controller
display
Indicator light block
Sub-code
(Errors detected by IPDU featuring in SMMS standard outdoor unit - typical examples)
ALT
ALT
ALT
Error in temperature
sensor built into indoor
IGBT (TH)
Temperature sensor built into indoor IGBT (TH)
has been open / short-circuited.
01: Compressor 1
02: Compressor 2
03: Compressor 3
01: Compressor 1
02: Compressor 2
03: Compressor 3
01: Compressor 1
02: Compressor 2
03: Compressor 3
01: Compressor 1
02: Compressor 2
03: Compressor 3
01: Compressor 1
02: Compressor 2
03: Compressor 3
Compressor breakdown
Inverter current (Idc) detection circuit detects
overcurrent.
Compressor lockup is detected
Compressor error (lockup)
Current detection circuit
error
Abnormal current is detected while inverter
compressor is turned off.
Activation of high-pressure
SW
High-pressure SW is activated.
Heat sink overheating
error
Temperature sensor built into IGBT (TH) detects
overheating.
P20
P20
ALT
High-pressure protection
activation
High-pressure (Pd) sensor detected a value over
the criteria.
SMMS (Series 1)
04: Rotation difference error
06: Maximum rotation exceeded
08: Out of step
0A: Idc activation
0C: Fan lock
0d: Lock
0E: Sync error
0F: Control error
SMMS-i (Series 4)
0..: IGBT circuit
1..: Position detection circuit error
3..: Motor lockup error
4..: Motor current detection
C..: TH sensor error
D..: TH sensor error
E..: Inverter DC voltage error
(outdoor fan)
Note: Although letters 0 to F appear
at locations indicated by "
∗
",
please ignore them.
Outdoor fan IPDU error
Outdoor fan IPDU detects error.
01: Compressor 1
02: Compressor 2
03: Compressor 3
01: Compressor 1
02: Compressor 2
03: Compressor 3
Activation of G-Tr (IGBT)
short-circuit protection
Short-circuit protection for compressor motor
driver circuit components is activated (momentary
overcurrent).
Compressor position
detection circuit error
Compressor motor position detection error is
detected.
Note: The above check codes are examples only, and different check codes may be displayed depending on the outdoor unit configuration
(e.g. a Super heat recovery multi system). For details, see the service manual for the outdoor unit.
Summary of Contents for A03-009
Page 149: ...148 ...
Page 153: ...152 9 2 1 Way cassette type SH AP015 AP018 AP024 ...
Page 161: ...160 9 4 Slim duct type MMD AP0074SPH AP0094SPH AP0124SPH AP0154SPH AP0184SPH ...
Page 165: ...164 9 5 Concealed duct standard type MMD AP0074BH AP0094BH AP0124BH AP0154BH AP0184BH ...
Page 166: ...165 ...
Page 169: ...168 MMD AP0244BH AP0274BH AP0304BH AP0364BH AP0484BH ...
Page 170: ...169 ...
Page 173: ...172 MMD AP0564BH ...
Page 174: ...173 ...
Page 177: ...176 E Parts ...
Page 179: ...178 9 6 Concealed duct high static pressure type MMD AP0184H AP0244H AP0274H AP0364H AP0484H ...
Page 183: ...182 MMD AP0724H AP0964H ...
Page 184: ...183 ...
Page 187: ...186 9 7 Ceiling type MMC AP0154H AP0184H AP0244H AP0274H ...
Page 190: ...189 MMC AP0364H AP0484H ...
Page 194: ...193 9 8 Floor standing type MMF AP0154H AP0184H AP0244H AP0274H ...
Page 195: ...194 MMF AP0154H AP0184H AP0244H AP0274H ...
Page 198: ...197 MMF AP0364H AP0484H AP0564H ...
Page 199: ...198 MMF AP0364H AP0484H AP0564H ...
Page 203: ...202 9 9 Floor standing concealed type MML AP0074BH AP0094BH AP0124BH AP0154BH AP0184BH ...
Page 206: ...205 MML AP0244BH ...
Page 209: ...208 9 10 Floor standing cabinet type MML AP0074H AP0094H AP0124H AP0154H AP0184H ...
Page 210: ...209 MML AP0074H AP0094H AP0124H AP0154H AP0184H ...
Page 213: ...212 MML AP0244H ...
Page 214: ...213 MML AP0244H ...