Honeywell UDC3500 User Manual

Troubleshooting/Service
314 UDC3500 Universal Digital Controller Product Manual 3/07
Lower
Display
Reason for Failure How to Correct the Problem
OUT1FAIL
First Current Output is less than 3.5
mA.
First Current Output is open circuit. Check the
field wiring. See the Trouble Shooting Procedure
in Section
7.7.2.
All Output Fail diagnostic messages may be
permanently suppressed via the DIAGNOST
configuration in the Alarm Setup Group. See
Section
3.24.
OUT2FAIL
Second Current Output is less
than 3.5 mA.
Second Current Output is open circuit. Check
the field wiring. See the Trouble Shooting
Procedure in Section
7.7.2.
All Output Fail diagnostic messages may be
permanently suppressed via the DIAGNOST
configuration in the Alarm Setup Group.
See Section
3.24.
OUT3FAIL
Third Current Output is less
than 3.5 mA.
Third Current Output is open circuit. Check the
field wiring. See the Trouble Shooting Procedure
in Section
7.7.2.
All Output Fail diagnostic messages may be
permanently suppressed via the DIAGNOST
configuration in the Alarm Setup Group. See
Section
3.24.
CLOCKERR
Real Time Clock values are invalid. Check the Real Time Clock Settings.
See Section 3.25. Entering “YES” to “SET
CLOCK?” will clear the error flag.
BATT LOW
Battery Voltage has fallen to unsafe
levels.
Replace the Battery Module. See Section 8.1.
EUNPLGED
Ethernet Link is unplugged, incorrectly
connected or the Ethernet network is
not working.
Check that the Ethernet cable is correctly
connected to the instrument and to the host.
See Section
2.7 for wiring diagrams. Check
Ethernet network for functionality.
ENET DEF
Ethernet parameters are at their
default settings (both working and
backup copies). IP address is
configured at 10.0.0.2.
Configure the Ethernet parameters to their
desired values using the P.I.E. Tool.
See Section
3.30.
EBRDFAIL
Ethernet Board has failed. Replace Ethernet Board.
ALRM1SP1
Alarm 1 Setpoint 1 is active. As required by the alarm application. Alarm
messages appear only if ALM MSG is enabled in
the Alarm Set Up Group.
ALRM1SP2
Alarm 1 Setpoint 2 is active. Same as ALRM1SP1.
ALRM2SP1
Alarm 2 Setpoint 1 is active. Same as ALRM1SP1.
ALRM2SP2
Alarm 2 Setpoint 2 is active. Same as ALRM1SP1.
ALRM3SP1
Alarm 3 Setpoint 1 is active. Same as ALRM1SP1.

Honeywell UDC3500 Specifications

General

Brand	Honeywell
Model	UDC3500
Category	Controller
Language	English