Rac Fault Codes; Outdoor Unit; Indoor Unit - Mitsubishi Heavy Industries SRK-ZSP-S Service Support Handbook

SRK
Inverter RAC

Indoor Unit

SRR/ SRF
Inverter RAC
SRC

Outdoor Unit

Indoor Unit Display
Outdoor
Control
Timer
Run Light
PCB,
Light
Red LED
Green Amber
- - -
OFF Fl a s hi ng -
1x ON -
2x ON -
2x 2x 7x
3x ON -
4x ON -
5x ON 2x
6x ON -
7x ON 2x
7x 1x 4x
Fl a s hi ng 1x 8x
Fl a s hi ng 2x 8x
Fl a s hi ng 4x 8x
ON 1x 1x
ON 2x 2x
ON 3x 3x
ON 4x 1x
ON 5x 5x
ON 6x 6x
ON 7x ON
ON Fl a s hi ng 2x

RAC FAULT CODES

ZD, ZE, ZE-S1, ZG, ZJ, ZJ-S1,ZM, ZMP, ZR, ZS, ZFX, ZGX, ZHX, ZIX, ZJX, ZJX-S1,ZMX, ZSX
ZD, ZE, ZE-S1, ZG, ZJ, ZJ-S1,ZM, ZR, ZS, ZFX, ZGX, ZHX, ZIX, ZJX, ZJX-S1,ZMX, ZSX
Wired
Description of Trouble
Remote
Control
E1 Error of wi red remote
E21 Li mi t Swi tch error
- Hea t excha nger s ens or (1) error
E7 Room tempera ture s ens or
E60 Rotor l ock
- Hea t excha nger s ens or (2) error
E9 Dra i n Fa ul t
E47 Acti ve Fi l ter vol ta ge error
E16 Indoor fa n motor error
Refri gera ti on s ys tem protecti ve
E57
control
Servi ce va l ve (ga s s i de) cl os ed,
E40
defecti ve outdoor PCB
E38 Outdoor a i r temp s ens or
E37 Outdoor hea t excha nger s ens or
E39 Di s cha rge pi pe s ens or
E42 Current Cut
E59 Troubl e of outdoor uni t
E58 Current s a fe s top
E51 Power Tra ns i s tor error
E36 Over hea t of compres s or
E3 / E5 Error of s i gna l tra ns mi s s i on
E48 Fa ul ty outdoor fa n motor
E35 Cool i ng Hi gh Pres s ure Protecti on
ZIX, ZJX, ZJX-S1,ZMX
Broken wi re, fa ul ty i ndoor P.C.B., fa ul ty control l er.
Defecti ve l i mi t s wi tch, a i r i nl et pa nel s et, I/D
control PCB
Broken hea t excha nger s ens or (1) wi re, poor
connecti on
Broken room tempera ture s ens or wi re, poor
connecti on
Fa ul ty compres s or, open pha s e on compres s or,
fa ul ty outdoor P.C.B.
Broken hea t excha nger s ens or (2) wi re, poor
connecti on
Fl oa t s wi tch a cti va ted, fa ul ty pump, fa ul ty PCB,
fa ul ty fl oa t s wi tch
Defecti ve Acti ve Fi l ter, i ncorrect power s uppl y
Fa ul t i ndoor fa n motor, poor connecti on
Servi ce va l ve cl os ed, refri gera nt i ns uffi ci ent
Output current of i nverter exceeds s peci fi ca ti on
Broken s ens or wi re, poor connecti on
Broken s ens or wi re, poor connecti on
Broken s ens or wi re, poor connecti on
Compres s or l ocki ng, open pha s e on compres s or
output, s hort ci rcui t on power tra ns i s tor, cl os ed
s ervi ce va l ve, EEV not openi ng
Broken compres s or wi re, broken power tra ns i s tor,
broken di s cha rge s ens or wi re/poor connecti on,
compres s or bl ocka ge
Overl oa d protecti on, over cha rged, compres s or
l ocki ng
Fa ul ty power tra ns i s tor
Low on ga s , fa ul ty di s cha rge pi pe s enor, cl os ed
s ervi ce va l ve
Defecti ve power s uppl y, broken s i gna l wi re,
fa ul ty i ndoor/outdoor P.C.B.
Fa ul ty condens er fa n motor, poor connecti on
Overl oa d protecti on, over cha rged, broken
outdoor hea t excha nger s ens or wi re, cl os ed
s ervi ce va l ve
Possible Cause