Toshiba MMU-AP0057MH-E, Руководство по обслуживанию

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MG-CTT: M a gnet cont a ctor
Tro ub le in n u m b er IPDU s M I S 9 2 L 9 2 L
There a re in su fficient n u m b er of IPDU s (P.C.
b o a rd s ) in inverter b ox.
M I S ) 0 3 L ( . o N t i n u r o o d n i d e t c e t e D 0 3 L
Indoor extern a l tro ub le
inp u t (interlock)
Indoor u nit h as b een s h u t down for extern a l
tro ub le inp u t in one refriger a nt line (detected b y
indoor u nit).
T L A 3 0 P – 3 0 P
O u tdoor di s ch a rge (TD1)
temper a t u re tro ub le
O u tdoor di s ch a rge temper a t u re s en s or (TD1) h as
detected ab norm a lly high temper a t u re.
P05
00: Open ph as e detected
T L A 5 0 P
Open ph as e/power f a il u re
Open ph as e i s detected when power i s t u rned on.
Inverter DC volt a ge i s too high (overvolt a ge) or too
low ( u ndervolt a ge).
01: Compre ss or 1
02: Compre ss or 2
Inverter DC volt a ge (Vdc)
tro ub le
MG-CTT tro ub le
P07
01: Compre ss or 1
02: Compre ss or 2
T L A 7 0 P
He a t s ink overhe a ting
tro ub le
Temper a t u re s en s or bu ilt into IPM (TH) detect s
overhe a ting.
Indoor u nit overflow
T L A ) 0 1 P ( Detected indoor u nit No. 0 1 P
Indoor u nit h as b een s h u tdown in one refriger a nt
line d u e to detection of overflow (detected b y
indoor u nit).
T L A 3 1 P – 3 1 P
O u tdoor liq u id ba ckflow
detection tro ub le
S t a te of refriger a nt cycle circ u it indic a te s liq u id
ba ckflow oper a tion.
P15
01: T S condition
02: TD condition
n o i t c e t e d k a e l s a G T L A 5 1 P
O u tdoor su ction temper a t u re s en s or (T S 1) detect s
sus t a ined a nd repe a ted high temper a t u re s th a t
exceed s t a nd a rd v a l u e.
T L A 7 1 P – 7 1 P
O u tdoor di s ch a rge (TD2)
temper a t u re tro ub le
O u tdoor di s ch a rge temper a t u re s en s or (TD2)
detect s ab norm a lly high temper a t u re.
T L A 9 1 P d e t c e t e d . o N t i n u r o o d t u O 9 1 P
4-w a y v a lve rever s ing
tro ub le
A b norm a lity in refriger a ting cycle i s detected
d u ring he a ting oper a tion.
T L A 0 2 P – 0 2 P
Activ a tion of high-pre ssu re
protection
High pre ssu re (Pd) s en s or detect s high pre ssu re
th a t exceed s s t a nd a rd v a l u e.
Check code Di s play of receivin g unit
Typical problem s ite De s cription of problem
Outdoor 7- s e g ment di s play TCC-LINK
centr a l control
or m a in remote
control
di
s pl a y
Indicator li g ht block
S ub-code Fl as h
Oper a tion Timer Re a dy
Circle (O): IPDU trouble
80 : Communication trouble between
MCU and Sub MCU
Sub-
code
A3-
IPDU
Fan-
IPDU
1
01
02
03
08
09
0A
0B
O
O
O
O
2
O
O
O
O
1
O
O
O
O
2
O
Sub-
code
A3-
IPDU
Fan-
IPDU
1
10
11
12
13
18
19
1A
1B
O
O
O
O
2
O
O
O
O
1
O
O
O
O
2
O
O
O
O
O
O
O
O