Chapter 7 Troubleshooting
6F8C1583
58
7
7.1 CF622 cannot start up
When the power is turned on, if the RUN LED located on the front panel of CF622 is not turned on,
check the following:
Power on
On the PS module,
is “POWER” LED
is on?
YES
NO
Is CF622 mounted
to a base unit
correctly?
On CF622, “ERR”
LED is off?
On CF622, RESET
switch is off?
If CF622 is abnormal,
Contact our service representatives.
YES
YES
YES
YES
Go to “Power system check” written in “Unified
Controller nv series type1 light Controller Unit
User’s Manual - Basic Hardware - (6F8C1497)
7.1.
If “RUN” LED is off and “ERR” LED is off,
Check that CF622 is connected to base unit
correctly.
If “RUN” LED is off and “ERR” LED is on,
CF622 is faulty. Contact our service
representatives.
If the RESET switch is fixed in the on state,
please return the reset switch to off state.
NO
NO
NO
Figure 7-1 Check procedure at starting up failure occurrence
Summary of Contents for CF622
Page 20: ...Chapter 1 Introducing CF622 6F8C1583 1 6 ...
Page 26: ...Chapter 2 Names and Functions of the Parts 6F8C1583 12 ...
Page 38: ...Chapter 4 Installation and wiring 6F8C1583 24 ...
Page 70: ...Chapter 6 Maintenance and Inspection 6F8C1583 56 6 ...
Page 74: ...Chapter 7 Troubleshooting 6F8C1583 60 7 ...
Page 78: ...Chapter 8 Usage Constraints 6F8C1583 64 8 ...
Page 86: ...Appendix B Outside Dimensions 6F8C1583 72 ...
Page 87: ...73 73 Appendix C Related Products C 1 Accessories 74 C 2 Recommended communication cables 74 ...
Page 89: ...75 75 Appendix D ASCII code chart ...
Page 106: ...Appendix E Sample programs 6F8C1583 92 E ...
Page 108: ...1583 1 1605 ...