63
Operation
Operation:
Troubleshooting guide
Troubleshooting guide.
Problem
number
Problem
Possible cause
Action
(continued)
14
15
16
17
18
(continued)
Replace probes fault
Probe assembly fault
Temperature sensor
fault
Thermal trip fault
SDU fault
Probe wiring.
Reset to clear
message
Poor continuity
Deterioration of
probe rod assembly
Open, shorted, or
incorrect wiring of
sensor
Unit has overheated.
SDU blower or
AFPS is incorrectly
wired.
SDU blower motor
is defective (SDU
fan does not start).
Check for proper wiring.
Machine ground must be present
between control cabinet and humidifier
tank.
Do not use shield cable. Individual
1 mm
2
. standard wire is recommended.
Maximum wiring distance is 15 m from
humidifier to control cabinet.
Drain humidifier tank completely, reset
VAPOR-LOGIC to restart system.
No machine ground between control
cabinet and humidifier tank
Replace probe rod assembly.
Check wiring terminals
(VAPOR-LOGIC
®
3
terminal J25) for
correct wiring and voltages.
Check for proper water level in tank.
Check SDU for proper wiring.
Replace SDU blower.
More on next page ...
VL3-IOM-0301-METRIC.pdf 67
11/19/2009 9:22:40 AM
Summary of Contents for Vapor-logic3
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