Johnson Controls HIDH018B21S, Engineering Manual

Page: 489 / 668

CONTROL SYSTEM
TC-15001-rev.3
6-173
Table 6.8 Troubleshooting
[ Troubleshooting ]
This chapter describes methods for troubleshooting. Do not proceed unless the power is turned OFF.
No. Condition Check Items Action
1 The CCCA01 does not
operate even after turning the
power ON. Is the power line connected to the
CCCA01?
Connect power line to the CCCA01.
Ensure that the power supply to the
UPS is OFF before doing any wiring.
Is the power supply for the UPS ON?
Turn the power of UPS back ON.
Is the power to the CCCA01 turned
ON?
Turn the power of the CCCA01 back
ON.
Is the supplied voltage adequate?
Measure the power voltage. If the value
is out of the range of 24VAC±10%,
check the writing and wiring method.
Are both power fuses in proper
condition?
Replace with new fuses if they are
blown.
Is POWER LED illuminated?
There can be a defect in the CCCA01
if the POWER LED is not illuminated
without meeting conditions described
above. Contact your distributor or
dealer.
Does ERROR LED and/or 7-Segment
LED show one of the following?
The CCCA01 module could be
detective.
Contact your distributor or dealer.
2 The CCCA01 does not
complete connection check. Is H-LINK wiring connected to the
CCCA01?
Connect H-LINK wiring to the CCCA01.
Is the setting for terminal resistance
on the H-LINK wiring adequate?
Use single terminal resistance on
H-LINK wiring.
Is the address setting for the air
conditioners consistent?
Modify the address setting according to
the installation and operation manual of
air conditioner.
Is H-LINK wiring connected properly?
Ensure that all wiring is properly
completed.
Are all air conditioners connected to
the CCCA01 turned ON?
Turn ON all the air conditioners
connected to the CCCA01.
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7.2) in use?
Use the following cable:
- Recommended Size: AGW18~16
- Total length: 3281 feet (Max)
Does ERROR LED and/or 7-Segment
LED show one of the following?
Wait for completing connection checks.
If the 7-segment LED shows “CE”,
which indicates a communication error,
then check the wiring and address
setting to perform the connection check
again.
Is the H-LINK LED remained ON/
OFF?
- Check if the H-LINK wiring is correctly
connected.
- If the H-LINK circuit protection fuse is
blown, after clearing the fault, set Pin
2 ON SW7 “H-LINK”.
- If the condition does not meet the
conditions described above, there can
be a defect in the adapter. Contact
your distributor or dealer.
ERROR LED
7-Segment
LED
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5 seconds
CO
ERROR LED 7-Segment LED
ON E0/E1/E2/E5/E6/HE
Repeated ON/OFF
for 1 second each
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