Mitsubishi Electric PURY-P200, Руководство по обслуживанию

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Checking
code
Meaning, detecting method
System
com-
position
Cause
Cause checking method &
Countermeasure
Generating
unit
address
Display of
trouble
Detecting
method
6607
(continued)
When no ACK signal is detected in 6 continuous times with 30 seconds
interval by transmission side controller, the transmission side detects
error.
Note : The address/attribute shown on remote controller indicates the
controller not providing the answer (ACK).
No ACK abnormality
1. Outdoor
unit(OC)
2. BC
controller
(BC)
3. Indoor
unit (IC)
4. Remote
controller
(RC)
No reply
(ACK) at BC
transmission
to OC
No reply
(ACK) at IC
transmission
to BC
No reply
(ACK) at RC
transmission
to IC
No reply
(ACK) at IC
transmission
to RC
Remote
controller
(RC)
M-NET
remote
controller
(RC)
MA remote
controller
(MA)
Remote
controller
(RC)
Remote
controller
(RC)
As same that for single
refrigerant system.
As same that for single
refrigerant system.
(1) Cause of (1) ~ (5) of “Cause
for single refrigerant system”.
(2) Disconnection or short circuit
of transmission line of OC
terminal block for centralized
control (TB7).
(3) Shut down of OC unit power
source of one refrigerant
system.
(4) Neglecting insertion of OC
unit power supply connector
(CN40).
(5) Inserting more than 2 sets of
power supply connector
(CN40) for centralized
control use.
For generation after normal
operation conducted once, the
following causes can be
considered.
• Total capacity error (7100)
• Capacity code setting error
(7101)
• Connecting set number error
(7102)
• Address setting error (7105)
(1) Cause of (1) ~ (3) of “Cause
for single refrigerant system”.
(2) Disconnection or short circuit
of transmission line of OC
terminal block for centralized
control (TB7).
(3) Shut down of OC unit power
source of one refrigerant
system.
(4) Neglecting insertion of OC
unit power supply connector
(CN40).
(5) Inserting more than 2 sets of
power supply connector
(CN40) for centralized
control use.
At generation after normal
operation conducted once, the
following causes can be
considered.
• Total capacity error (7100)
• Capacity code setting error
(7101)
• Connecting set number error
(7102)
• Address setting error (7105)
Same as measure for single refrigerant
system.
Same as measure for single refrigerant
system.
(a) Shut down the power source of
both IC and OC for over 5 minutes
simultaneously, and make them
again.
Normal state will be returned in
case of accidental trouble.
(b) Check for (1) ~ (5) of causes. If
cause is found, remedy it.
(c) Check other remote controller or
OC unit LED for troubleshooting for
trouble.
Trouble
→
Modify the trouble
according to the content
of check code.
No trouble
→
Faulty indoor controller
(a) Shut down the power source of OC
for over 5 minute, and make it
again.
Normal state will be returned in
case of accidental trouble.
(b) Check for (1) ~ (5) of causes. If
cause is found, remedy it.
When normal state can not be
obtained, check (1) ~ (5) of causes.
(2) Gr
oup operation system using plural refrig
erants