Analog Output Modules Troubleshooting; Binary Input Modules Troubleshooting; Relay Output Modules Troubleshooting; Floating Output Modules Troubleshooting - Honeywell Excel 800 LION Installation And Commissioning Instructions

Excel 800 LION

Analog Output Modules Troubleshooting

case Problem
1
All outputs always have
zero voltage
2
Unstable output voltage
Table 78 Failure modes of analog output modules

Binary Input Modules Troubleshooting

case Problem
1
Unexpectedly, all status
LEDs are always OFF
Table 79 Failure modes of binary input modules

Relay Output Modules Troubleshooting

case Problem
1
Unexpectedly, all outputs
are in unpowered position
Table 80 Failure modes of relay output modules

Floating Output Modules Troubleshooting

case Problem
1
Unexpectedly, all outputs
are in unpowered position
Table 81 Failure modes of floating output modules
A "Frequently Asked Questions and Troubleshooting" document is available via the Honeywell Technical Assistance Center
(TAC) or, for Honeywell employees, on the Intranet under:
Possible causes
Manual override settings
Outputs are in safety position
Software problem
Internal undervoltage detection has been
activated
Incorrect grounding of actuators
Possible causes
Internal overload protection has been
activated
Possible causes
Improper manual override settings
Outputs are in safety position
Software problem
Internal undervoltage detection has been
activated
Possible causes
Improper manual override settings
Outputs are in safety position
Software problem
Internal undervoltage detection has been
activated
http://web.ge51.honeywell.de/tac
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Remedy
Check manual override settings
►
Check communication
►
Power down and then power up
►
If problem persists, replace hardware
►
Replace hardware
►
Ground actuators individually (see
►
Fig. 66 on page 47)
Remedy
Power down and then power up
►
Remedy
Check manual override settings
►
Check communication
►
Power down and then power up
►
If problem persists, replace hardware
►
Replace hardware
►
Remedy
Check manual override settings to
►
check outputs
Check communication
►
Power down and then power up
►
If problem persists, replace hardware
►
Replace hardware
►
EN1B-0375GE51 R0308