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Master/Slave Error
The following error shall be updated in the M_MSTSLV Maintenance table (priority order):
master and slave heatcool status are not the same.
x
13
No communication with slave.
x
x
12
The master chiller operating type is not Master: master_oper_typ
≠
master
x
11
The slave chiller is down due to fault (chilstat = 5)
x
x
10
The slave chiller is in local or remote control (chilstat = 3)
x
x
9
There is a conflict between the master and the slave pump option: the master is not
configured for lag pump control while the slave is configured for lag pump control.
x
8
There is a conflict between the master and the slave pump option: the master is configured
for lag pump control while the slave is not configured for lag pump control.
x
7
There is a conflict between the master and the slave lwt option: the master is configured for
lwt control while the slave is configured for ewt control.
x
6
There is a conflict between the master and the slave lwt option: the master is configured for
ewt control while the slave is configured for lwt control.
x
5
Slave pump_seq incorrect configuration
x
4
There is no slave configured at the slave address
x
3
Master and slave units have the same network address.
x
2
The master or slave water pump is not configured while the control of the lag unit pump is
required (lag_pump = 1)
x
x
1
Normal
x
x
0
Description
Slave
Master
Error
code
Master/Slave alarm code
Note
Master/slave sequence can be controlled through the Network Service Tool or PCDCT tools (see appendix,
M_MSTSLV Maintenance Table)
CARRIER SA
USER'S GUIDE FOR
30GX&HX PRO_DIALOG 4 V.2
ECG-UG-02-002
Rev: Original
Page: 56/98
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