安科瑞电气股份有限公司
33
4
常见故障的诊断分析与排除方法
4 The Analysis and Solvent of Some Faults
4.1
辅助电源故障
4.1 Power Source Fault
装置接通辅助电源后屏幕不亮?
The LCD does not work after the device power on?
可能原因:外接端子线序错误。
Reason: Wiring connector connects to power source wrong.
处理方法:拔出“无线测温”接口处的外接模块,检查电源端口,重新上电装置判断。
Solvent
:
Take off the connector of
“
Wireless Temp
”
, check up the power source connector, and
power on it again.
4.2
告警继电器动作故障
4.2 Relay Output Fault
无线测温节点温度定值越限而继电器不动作?
When measured wireless temperature values exceed the setting values, the relay output does not
work?
可能原因:相应的控制字未投入。
Reason:
“
Node Enable
”
is not
“
ON
”
.
处理方法:“主菜单”—
>
“定值”菜单将相应的控制字设置为投入。
Solvent:
“
MENU
”
->
“
Para
”
, Set
“
Node Enable
”
to
“
ON
”
.
4.3
通信故障
4.3 Communication Fault
上位机或后台软件与装置通信错误?
PC /host computer can
’
t communicate with the device?
可能原因:装置地址或串口参数设置错误。
Reason: The address or other port parameter of communication is wrong.
处理方法:“主菜单”—
>
“通信”设置正确的装置地址或串口参数。
Solvent:
“
MENU
”
->
”
Comm
”
, Set valid address or other port parameter.