Toshiba MMU-AP0057MH-E, Руководство по обслуживанию

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Check code
Location
of
detection
De s cription S y s tem s tatu s
Problem detection
condition( s )
Check item s (location s )
• Check in s t a ll a tion of
TE1 a nd TL1 s en s or s .
• Check re s i s t a nce
ch a r a cteri s tic s of TE1 a nd
TL1 s en s or s .
• Check for o u tdoor P.C.
b o a rd (I/F) pro b lem.
I/F O u tdoor
temper a t u re
s en s or wiring
pro b lem
(TE1, TL1)
All s top D u ring compre ss or
oper a tion in HEAT mode,
TL1 contin u o us ly provide s
temper a t u re re a ding higher
th a n indic a ted b y TL1 b y a t
le as t s pecified m a rgin for 3
min u te s or more.
F15 F15 —
• Check connection of high-
pre
ssu re Pd s en s or
connector.
• Check connection of low-
pre
ssu re P s s en s or
connector.
• Check for defect in pre
ssu re
s en s or s Pd a nd P s .
• Check for tro ub le in
o u tdoor P.C. b o a rd (I/F).
• Check for deficiency in
compre
ss ive o u tp u t of
compre ss or.
I/F O u tdoor
pre ssu re
s en s or wiring
pro b lem
(Pd, P s )
All s top Re a ding s of high-pre ssu re
Pd s en s or a nd lowpre ssu re
P s s en s or a re s witched.
O u tp u t volt a ge s of b oth
s en s or s a re zero.
F16 F16 —
• Check for connection
pro
b lem involving P s s en s or
a nd Pd s en s or connector s .
• Check connection of P s
s en s or connector.
• Check for defect in P s
s en s or.
• Check for deficiency in
compre
ss ive o u tp u t of
compre ss or.
• Check for defect in 4-w a y
v a lve.
• Check for defect in o u tdoor
P.C. b o a rd (I/F).
• Check for defect in S V4
circ u it.
I/F P s s en s or
pro b lem
All s top O u tp u t volt a ge of P s s en s or
i s zero.
F23 F23 —
• Check connection of Pd
s en s or connector.
• Check for defect in Pd
s en s or.
• Check for defect in o u tdoor
P.C. b o a rd (I/F).
I/F Pd s en s or
pro b lem
All s top O u tp u t volt a ge of Pd s en s or
i s zero ( s en s or open-circ u ited).
Pd > 4.15MP a de s pite
compre ss or h a ving b een
t u rned off.
F24 F24 —
• Check for defect in indoor
P.C.
b o a rd (f a il u re EEPROM)
Indoor u nit Other indoor
pro
b lem
S top of
corre s ponding u nit
Indoor P.C. b o a rd doe s not
oper a te norm a lly.
F2 9 — —
• Check power su pply volt a ge.
• Check power su pply noi s e.
• Check for defect in o u tdoor
P.C. b o a rd (I/F).
I/F O u tdoor
EEPROM
pro
b lem
All s top *1 O u tdoor P.C. b o a rd (I/F)
doe s not oper a te norm a lly.
F31 F31 —
• Check power su pply volt a ge.
(AC3 8 0-415V ± 10%).
• Check for defect in
compre
ss or.
• Check for po ss i b le c aus e
of ab norm a l overlo a ding.
• Check for defect in o u tdoor
P.C. b o a rd (A3-IPDU).
IPDU 01:
Compre
ss or 1
s ide
02:
Compre
ss or 2
s ide
Compre ss or
b re a kdown
All s top Inverter c u rrent detection
circ u it detect s overc u rrent
a nd s h u t s s y s tem down.
H01 H01
• Check Occ u p a ncy s en s or.
• Check P.C. b o a rd s of
indoor u nit s .
I/F Occ u p a ncy
s en s or tro ub le
Contin u ed
oper a tion F30 F30 —
Main
remote
controller
Outdoor 7- s e g ment di s play
Check
code
S ub-code
• Check connection of TF
s en s or connector a nd
wiring.
• Check re
s i s t a nce
ch a r a cteri s tic s of TF s en s or.
• Check for defect in indoor
P.C.
b o a rd.
Indoor
u nit
Indoor TF
s en s or pro b lem
S top of
corre s ponding
u nit
S en s or re s i s t a nce i s infinity
or zero (open/ s hort circ u it).
F11 — —
• Check connection of T S 1/
T S 3 s en s or connector
• Check re s i s t a nce
ch a r a cteri s tic s of T S 1/T S 3
s en s or.
• Check for defect in indoor
P.C.
b o a rd.
I/F 01:
T
S 1 s en s or
pro b lem
03:
T
S 3 s en s or
pro b lem
T S 1/T S 3
s en s or pro b lem
All s top S en s or re s i s t a nce i s infinity
or zero (open/ s hort circ u it).
F12 F12
• Defect in IPM bu ilt-in
temper a t u re s en s or
→
Repl a ce A3-IPDU P.C.
b o a rd.
IPDU 01:
Compre
ss or 1
s ide
02:
Compre
ss or 2
s ide
TH s en s or
pro b lem
All s top S en s or re s i s t a nce i s infinity
or zero (open/ s hort circ u it).
F13 F13