Hallett 15xs Instruction Manual
Released on 11-Jul-13 – H800003Q
Page 29
UV Pure Technologies Inc. © 2013
A
LARMS
&
T
ROUBLESHOOTING
M
ENU
(
CONT
’
D
)
Alarms and
Troubleshooting
Treatment Alarm
Review both UVI
& UVT values
Low UVT Value
Check Pretreat-
ment devices
Inspect unit
for fouling
Confirm Wiper
motor operation
Confirm purge
valve operation
Check reflectors
Sensor may
have drifted
New sensor or
calibration reqd
Lamps require
replacement
Install 2 lamps
& reset counter
Front Panel Ajar
Fully Close
Front Panel
Wiper not
turning
Check wiper
motor operation
Water
temperature high
Check purge
valve operation
Check shutoff
valve operation
Circuit board
temperature high
Check CB fan
operation
Check if room
temp within spec
UV Chamber
Temperature High
Check if filter
dirty, fan fail
Check if room
temp within spec
Temperature
Sensor Failure
Check All
Temp. Values
Microprocessor
failure
Unplug unit and
recheck.
UV Sensor
Failure
Check connection
Power reset
Power interrup-
tion occured
Test Shutoff
valve
Confirm valve
closes and opens
ALARM
HELPFUL
TIP
WARNING
WARNING
WARNING
WARNING
ALARM
ALARM
ALARM
WARNING
This column represents all possible
reasons for the fault.