Troubleshooting - Toshiba MCY-MHP0406HT-E Installation Manual

1FAN_IM_DHV0100301-00_EN.book Page 36 Saturday, November 4, 2017 2:39 PM
Stop operation
1
Set the rotary switches on the interface P.C. board of the outdoor unit back:
SW01 to [1], SW02 to [1] and SW03 to [1].
[A]
[U1]
Interface P.C. board
SW04 SW05 SW15 Push switch
D600 D601 D602 D603 D604
SW06 SW07 SW09 SW10
SW01 SW02 SW03
SW11 SW12 SW13 SW14
SW16 SW17
SW30
EN-71
7-segment display
[B]
[ ]
Push switch
SW04 SW05 SW15
7-segment 7-segment
display [A] display [B]
D600 D601 D602 D603 D604
SW01 SW02 SW03
Rotary switches
9

Troubleshooting

In addition to the CODE No. on the remote controller of an indoor unit, you can diagnose failure type of an outdoor unit
by checking the 7-segment display on the interface P.C. board.
Use the function for various checks.
Set every dip switch to OFF after checking.
7-Segment display and check code
Rotary switch setting
value
SW01 SW02 SW03
1 1 1 Outdoor unit check code
* If a check code has an auxiliary code, the display indicates the check code for three seconds and the auxiliary code
for one second alternately.
Check code (indicated on the 7-segment display on the outdoor unit)
Indicated when SW01 = [1], SW02 = [1], and SW03 = [1].
Check code
Indication on 7-segment display on the outdoor unit
Auxiliary code
E06 Number of indoor units which received normally
E07 —
E08 Duplicated indoor addresses
E15 —
E16 00: Capacity over 01 or more: No. of connected units
01: Other line outdoor connected
E20
02: Other line indoor connected
E31 IPDU quantity information*1
F04 —
F06 —
F07 —
F08 —
F12 —
F13 —
F15 —
F16 —
F23 —
F24 —
F31 —
H01 —
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Installation Manual
D600 D601 D602 D603 D604
Indication LED
A
Outdoor unit number
A
(U1)
B Check code display*
Check code name
Decrease of number of indoor units
Indoor / Outdoor communication circuit error
Duplication of indoor addresses
No indoor unit during automatic addressing
Number of connected capacity over / indoor units
Other line connected during automatic addressing
IPDU communication error
TD sensor error
TE sensor error
TL sensor error
TO sensor error
TS sensor error
TH sensor (Board installed) error
Outdoor temp. sensor miswiring (TE, TL)
Outdoor pressure sensor miswiring (Pd, Ps)
Ps sensor error
Pd sensor error
Outdoor EEPROM error
Compressor breakdown
B
EN-72