- 141 -
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)
No reply
(ACK) at BC
transmission
to OC
No reply
(ACK) at IC
transmission
to BC
No reply
(ACK) at
transmission
of SC to IC
Remote
controller
(RC)
M-NET
remote
controller
(RC)
System
controller
(SC)
MA remote
controller
(MA)
Remote
controller
(RC)
As same that for single
refrigerant system.
As same that for single
refrigerant system.
Trouble of partial IC units :
(1) Same cause as that for
single refrigerant system.
Trouble of all IC in one refriger-
ant system:
(1) Cause of total capacity error.
(7100)
(2) Cause of capacity code
setting error. (7101)
(3) Cause of connecting number
error. (7102)
(4) Cause of address setting
error. (7105)
(5) Disconnection or short circuit
of transmission line of OC
unit terminal block for central
control (TB7).
(6) Power source shut down of
OC unit.
(7) Trouble of OC unit electrical
system.
Trouble of all IC:
(1) As same that for single
refrigerant system.
(2) When using the power
supply unit for transmission
line, the power supply
connector (CN40) is inserted
into the transmission line for
centralized control.
(3) Disconnection or power
source shut down of power
supply unit for transmission
line.
(4) Faulty system controller
(MELANS).
Same countermeasure as that for
single refrigerant system.
Same countermeasure as that for
single refrigerant system.
→
Same countermeasure as that for
single refrigerant system.
Confirm OC trouble diagnosis LED.
→
At trouble generation, check for the
content according to check code.
Check the content of (5) ~ (7) shown
left.
Confirm voltage of transmission line for
centralized control.
• More than 20V
→
Confirm (1) (2) left.
• Less than 20V
→
Confirm (3) left.
(3) Connecting system with contr
oller (MELANS)
Содержание PURY-P200
Страница 49: ... 46 Heat exchanger Fan guard Heat exchanger Fan guard P400 type Front view of the unit Rear view of the unit ...
Страница 57: ... 54 CNVDC DC bus voltage input 1 3 LED1 LED2 SW2 CNTR IPM back CNN Fan motor output Fuse CNRS2 3 FAN board ...
Страница 64: ... 61 Relay board RELAY 4 board Relay board RELAY 10 board ...