[
X
Troubleshooting ]
- 162 -
HWE10190
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
System
controller
(SC)
ME remote
controller
(RC)
MA remote
controller
(MA)
No acknowl-
edgement
(ACK) at IC
transmission to
SC
1.
Error display on some displays on
ME remote controllers
Check (1) - (3) on the left.
(1) Faulty wiring of the transmission
line for ME remote controller
(2) Disconnection or contact failure of
the transmission connector for ME
remote controller
(3) ME remote controller failure
2.
Error occurrence on all IC in the
system with one outdoor unit
1) Check the LED display for
troubleshooting on the out-
door unit.
(1) An error is found by the outdoor
unit.
Total capacity error (7100)
Capacity code error (7101)
Error in the number of connected
units (7102)
Address setting error (7105)
If an error is found, check
the check code definition,
and correct the error.
If no error is found, check
the cause 2)
(2) Disconnection or short circuit of the
transmission line for the outdoor
unit on the terminal block for cen-
tralized control line connection
(TB7)
2) Check (2) - (4) on the left.
(3) Turn off the power source of the
outdoor unit
(4) Malfunction of electrical system for
the outdoor unit
3.
Error display on all displays on ME
remote controllers
Check (1) - (4) on the left
(1) Same causes as (1) - (4) described
in 2.
(2) When the power supply unit for
transmission lines is used and the
male power supply connector is
connected to the female power sup-
ply switch connector (CN40) for the
transmission line for centralized
control
(3) Disconnection or shutdown of the
power source of the power supply
unit for transmission line
(4) System controller (MELANS) mal-
function
0000002115.book 162 ページ 2011年6月4日 土曜日 午前10時48分
Содержание PUHY-P250YJM-A
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Страница 45: ... II Restrictions 36 HWE10190 GB ...
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Страница 69: ... IV Indoor Unit Components 60 HWE10190 GB ...
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Страница 73: ... V Remote Controller 64 HWE10190 GB ...
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Страница 82: ... 73 HWE10190 GB VII Refrigerant Circuit 1 Refrigerant Circuit Diagram 75 2 Principal Parts and Functions 78 ...
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Страница 91: ... VII Refrigerant Circuit 82 HWE10190 GB ...
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Страница 115: ... VIII Control 106 HWE10190 GB ...
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Страница 225: ... X Troubleshooting 216 HWE10190 GB ...
Страница 226: ... 217 HWE10190 GB XI LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 219 ...
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