Varec 4532 Instruction Manual download pdf (Page 57)

Varec, Inc. 47

4532 Troubleshooting

10 Troubleshooting

10.1 System error messages

These error codes are displayed on the ToF tool display when the ToF tool is properly

connected. For details regarding the error display on host instrument, please refer to

documentation of 4590 TSM or 6000 Series Servo Tank Gauge.

Code Description Possible cause Remedy

1 Common line open Ground (common) line has open

circuit. All temperature element

signals will be disabled or

inaccurate.

Check connector

attachment on the module;

then check continuity on

common (black & white)

cable

3~39 Element open Temperature element signal

cable

( #1 ~ 6) has open circuit.

Check connector

attachment on the module;

then check continuity on

pointed signal cable (#1 ~

4~40 Element short Temperature element signal

cable

( #1 ~ 6) has short circuit.

Disengage connector from

the module; then check

continuity on pointed

signal cable (#1 ~ 6)

23 #0 element over

range

When reference #0 element has

more than ±1.1°C deviation

from 0°C.

Check power supply

voltage on 4532 ATC HART

terminal H+ and H-

24 Memory defect

(ROM)

When a defect was discovered

during whole memory

parameter check. Cyclic data

comparison between previous

check sum to current one.

Replace main CPU board

29 Element exposed Liquid level dropped below #1

element position.

No liquid temperature

measurement is available.

32 Low power supply Supply voltage on multi drop

HART loop to 4532 ATC is below

16VDC from designated host

instrument.

Check power supply on the

host instrument and

consumption of connected

loop powered HART device

41 Memory defect

(RAM)

Fault during Write and Read

sequence, not completed.

Replace main CPU board

42 Memory defect

(EEROM)

Fault during Write and Read

sequence, not completed.

Check the write command

itself that is acceptable to

4532 ATC; if command is

OK, replace main CPU

board

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Varec 4532 Instruction Manual Page 57

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