Toshiba RAV-RM1101FT-EN, Service Manual

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Trouble mode detected by indoor unit
Operation of dia g no s tic function
Check
code
E03
E04
E08
L03
L07
L08
L09
L30
P10 S hort-circ u it connector tro ub le
P12
P19
P31
F01
F02
F10
F29
Cau s e of operation
No comm u nic a tion from remote
controller (incl u ding wirele ss ) a nd
comm u nic a tion a d a pter
The s eri a l s ign a l i s not o u tp u t from
o u tdoor u nit to indoor u nit.
• Mi s wiring of inter- u nit wire
• S eri a l comm u nic a tion circ u it tro ub le
of o u tdoor P.C. b o a rd.
• S eri a l comm u nic a tion circ u it tro ub le
of indoor P.C. b o a rd.
D u plic a ted indoor u nit a ddre ss
D u plic a ted indoor he a der u nit
There i s gro u p wire in individ ua l indoor
u nit.
Un s et indoor gro u p a ddre ss
Un s et indoor c a p a city
A b norm a l inp u t of o u t s ide interlock
Indoor DC f a n tro ub le
4-w a y v a lve s y s tem tro ub le
• After he a ting oper a tion h as s t a rted,
indoor he a t exch a nger s temp. i s
down.
Own u nit s top s while w a rning i s o u tp u t
to other indoor u nit s .
Coming-off, di s connection or s hort-
circ u it of indoor he a t exch a nger temp.
s en s or (TCJ)
Coming-off, di s connection or s hort-
circ u it of indoor he a t exch a nger temp.
s en s or (TC)
Coming-off, di s connection or s hort-
circ u it of indoor room temper a t u re
s en s or (TA)
Indoor EEPROM tro ub le
• EEPROM a cce ss tro ub le
S tatu s of
air conditioner
S top
(A u tom a tic re s et)
S top
(A u tom a tic re s et)
S top
S top
S top
S top
S top
S top
(A u tom a tic re s et)
S top
(A u tom a tic re s et)
S top
(A u tom a tic re s et)
S top
(Follower u nit)
(A u tom a tic re s et)
S top
(A u tom a tic re s et)
S top
(A u tom a tic re s et)
S top
(A u tom a tic re s et)
S top
(A u tom a tic re s et)
Condition
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Di s pl a yed when
tro ub le i s
detected
Jud g ment and mea s ure s
1. Check wire s of remote controller a nd comm u nic a tion a d a pter s .
• Remote controller LCD di s pl a y OFF (Di s connection)
• Centr a l remote controller [97] check code
1. O u tdoor u nit doe s not completely oper a te.
• Inter- u nit wire check, correction of mi s wiring
• C
• Check P.C. b o a rd (Indoor receiving / O u tdoor s ending).
heck o u tdoor P.C. b o a rd. Correct wiring of P.C. b o a rd.
2. When o u tdoor u nit norm a lly oper a te s
1. Check whether remote controller connection (Gro u p/Individ ua l)
w as ch a nged or not a fter power su pply t u rned on
(Fini s h of gro u p con s tr u ction/Addre ss check).
* If gro u p con s tr u ction a nd a ddre ss a re not norm a l when the
power h as b een t u rned on, the mode au tom a tic a lly s hift s to
a ddre ss s et u p mode. (Re s etting of a ddre ss )
1. S et indoor c a p a city (DN=11)
1. Check o u t s ide device s .
2. Check indoor P.C. b o a rd.
E11
Comm u nic a tion tro ub le b etween
indoor u nit a nd option P.C. b o a rd
Di s pl a yed when
tro ub le i s
detected
1. Check wire h a rne ss for power su pply/comm u nic a tion.
2. Check P.C. b o a rd in indoor u nit.
Oper a tion
contin u ed
J31
Come to the end of refriger a nt le a k
detection s en s or life
Di s pl a yed when
tro ub le i s
detected
1. Repl a ce refriger a nt le a k detection s en s or.
2. Check P.C. b o a rd in indoor u nit.
Oper a tion
contin u ed
J29
Refriger a nt le a k detection s en s or
tro ub le
Di s pl a yed when
tro ub le i s
detected
1. Check connector p a rt a nd a ppe a r a nce on the refriger a nt le a k
detection s en s or a nd repl a ce the s en s or if there i s no tro ub le.
2. Check P.C. b o a rd in indoor u nit.
Entire s top J30 Refriger a nt le a k detection
Di s pl a yed when
tro ub le i s
detected
1. Re s et the circ u it b re a ker a fter rep a iring the le a k p a rt when
refriger a nt g as le a k s .
2. S top us ing the g as eq u ipment or the s pr a y s ne a r the u nit s a nd
ventil a te the room b efore re s etting the circ u it b re a ker.
* After tre a ting 1, 2 ab ove, repl a ce the refriger a nt le a k detection
s en s or if the u nit doe s not ret u rn to norm a l s t a te.
1. Check connection of CN34 s hort-circ u it connector.
2. Check indoor P.C. b o a rd.
1. Po s ition detection tro ub le
2. Check f a n motor (Protective circ u it oper a tion).
3. Indoor f a n locked.
4. Check indoor P.C. b o a rd.
1. Check 4-w a y v a lve.
2. Check 2-w a y v a lve a nd check v a lve.
3. Check indoor he a t exch a nger (TC/TCJ).
4. Check indoor P.C. b o a rd.
E18
Reg u l a r comm u nic a tion tro ub le
b etween he a der a nd follower u nit s , or
m as ter a nd sub remote controller s
Di s pl a yed when
tro ub le i s
detected
1. Check remote controller wiring.
2. Check indoor power su pply wiring.
3. Check indoor P.C. b o a rd.
3. Check P.C. b o a rd in indoor u nit.
1. J u dge follower u nit while he a der u nit i s [E03], [L03], [L07] or [L08].
2. Check indoor P.C. b o a rd.
1. Check indoor he a t exch a nger temp. s en s or (TCJ).
2. Check indoor P.C. b o a rd.
1. Check indoor he a t exch a nger temp. s en s or (TC).
2. Check indoor P.C. b o a rd.
1. Check indoor room temper a t u re s en s or (TA).
2. Check indoor P.C. b o a rd.
1. Check indoor EEPROM. (incl u ding s ocket in s ertion)
2. Check indoor P.C. b o a rd.