CVHE-SB-32A 33
Communications Test
A communications test is included in the CLD to check the Chiller-to-CLD
communications.
To access the communications test:
1 Press the ‘Service Test’ key.
2 For the password, press ‘Next’ and ‘+’ keys at the same time.
This screen can be used as a debugging tool when CLD-Chiller IP communications are suspect.
The first line on the screen indicates which Chiller packets the CLD is checking. The second line
on the screen indicates how many times in a 15 second interval the particular packet was
received by the CLD. If a packet is received more than 9 times in the interval, a ’+’ is displayed.
The counters are reset to 0 every 15 seconds. Hitting any key while on this screen will cause an
exit.
Packet #: 2 3 4 5 6 7 8 9 10 11 12 14 15
Received: x x x x x x x x x x x x x x x
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