[
X
Troubleshooting ]
- 135 -
HWE07150
GB
1. Error
Code
No ACK error
2. Error
definition and error detection method
The error is detected when no acknowledgement (ACK signal) is received after the transmission. (eg. When the data is trans-
mitted six times in a row with 30 seconds interval, the error is detected on the transmission side.)
The address/attribute appeared on the display on the remote controller indicates the controller which did not provide
the response (ACK).
3. System
configuration
(3) System connected to the system controllers (MELANS)
6607
Error
source
address
Error display
Detection
method
Cause
Check method and remedy
Out-
door
unit
(OC)
M-NET remote
controller (RC)
System control-
ler (SC)
MA remote
controller (MA)
No acknowl-
edgement
(ACK) at IC
transmis-
sion to OC
Same cause as that for system with one
outdoor unit
Same remedy as that for
system with one outdoor
unit
Indoor
unit
(IC)
M-NET remote
controller (RC)
MA remote
controller (MA)
No acknowl-
edgement
(ACK) at RC
transmis-
sion to IC
Same as grouping of units in a system
with multiple outdoor units
Same remedy as that for
grouping of units in a sys-
tem with multiple outdoor
units
System control-
ler (SC)
No acknowl-
edgement
(ACK) at SC
transmis-
sion to IC
1.
Error occurrence on some IC
Same remedy as that for
system with one outdoor
unit
(1)
Same cause as that for system with one
outdoor unit
2.
Error occurrence on all IC in the system
with one outdoor unit
1) Check the LED display
for troubleshooting on the
outdoor unit.
(1)
Total capacity error (7100)
If an error is found,
check the check code
definition, and correct
the error.
If no error is found,
check 2).
(2)
Capacity code error (7101)
(3)
Error in the number of connected units
(7102)
(4)
Address setting error (7105)
(5)
Disconnection or short circuit of the trans-
mission line for the outdoor unit on the ter-
minal block for centralized control line
connection (TB7)
2) Check (5) - (7) on the left.
(6)
Turn off the power source of the outdoor
unit
(7)
Malfunction of electrical system for the
outdoor unit
3.
Error occurrence on all IC
Check voltage of the
transmission line for cen-
tralized control.
20V or more: Check (1)
and (2) on the left.
Less than 20V: Check
(3) on the left.
(1)
Same causes as (1) - (7) described in 2.
(2)
The male power supply connectors on 2
or more outdoor units are connected to
the female power supply switch connector
(CN40) for the transmission line for cen-
tralized control.
(3)
Disconnection or shutdown of the power
source of the power supply unit for trans-
mission line
(4)
System controller (MELANS) malfunction
Содержание City Multi PFAV-P500VMH-E
Страница 1: ......
Страница 11: ... 2 ...
Страница 23: ... 14 ...
Страница 25: ... 16 ...
Страница 37: ... 28 ...
Страница 39: ... 30 ...
Страница 48: ... 39 HWE07150 GB IV Indoor Unit Structure 1 External View 41 2 Control Box 42 3 Board 43 4 Fan 44 ...
Страница 49: ... 40 ...
Страница 50: ... IV Indoor Unit Structure 41 HWE07150 GB IV Indoor Unit Structure 1 External View PFAV P500VMH E ...
Страница 55: ... 46 ...
Страница 59: ... 50 ...
Страница 61: ... 52 ...
Страница 65: ... 56 ...
Страница 66: ... 57 HWE07150 GB VII Refrigerant Circuit 1 Refrigerant Circuit Diagram 59 2 Principal Parts and Functions 60 ...
Страница 67: ... 58 ...
Страница 73: ... 64 ...
Страница 75: ... 66 ...
Страница 95: ... 86 ...
Страница 107: ... 98 ...
Страница 195: ... X Troubleshooting 186 HWE07150 GB ...
Страница 196: ... 187 HWE07150 GB XI LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 189 ...
Страница 197: ... 188 ...
Страница 242: ......