Graco Therm-O-Flow 20 Инструкция по эксплуатации онлайн [40/108] 168112

Graco Therm-O-Flow 20 Инструкция по эксплуатации онлайн [40/108] 168112
Troubleshooting
Code Code
Code
Description Description
Description
Type Type
Type
Cause Cause
Cause
Solution Solution
Solution
Reduceowrate.
Increasetemperatureofaccessoryupstream.
Faultyaccessoryheatermeasureresistancebetween
heaterleads.
ChangeLowTempAlarmOffset.
T1 _LowTemp.Unit
_Zone_
AlarmZone
temperature
toolow
Replaceaccessory.
Reduceowrate.
ChangeLowTempDeviationOffset.
T2 _LowTemp.Unit
_Zone_
DeviationZone
temperature
toolow
Addzone(temperature)upstream.
ChangeHighTempDeviationOffset.
T3 _HighTemp.
Unit_Zone_
DeviationTemperature
readinghas
risentoohigh
Verifysetpointupstreamisnothotterthanthiszone’s
setpoint.
Ensureinletandoutletsarenotobstructed.
T4C#
AWB
Temperature
Runaway
Transformer
Alarm
Coolingfan
notworking
orinletis
blocked/dirty
Verifyfanispluggedin.
Ensureinletandoutletsarenotobstructed.
T4M#
AWBHigh
Transformer
Temp
Alarm
Transformer
Temperature
istooHigh
Verifyfanispluggedin.
ChangeHighTempAlarmOffset.
T4 _HighTemp.
Unit_Zone_
AlarmTemperature
readinghas
risentoohigh
Verifysetpointupstreamisnothotterthanthiszone’s
setpoint.
CheckRTDwiringandharness/connectorintegrity.
T6 _
SensorErr.Unit
_Zone_
AlarmBadRTD
Reading
ReplaceRTD.
T6C#
AWBInvalid
Thermistor
Reading
Alarm
Transformer
thermistor
temperature
isincorrect
VerifythermisterissecurelyconnectedtoJ7ofthe
AWB.Replacetransformerifnecessary.
CheckfusesonMZLPconnectedtothatZone.
Checkwiringtodevice.
T8V_NoTemp.Rise
Unit_Zone_
AlarmTemperature
readingdoes
notchange.
Checkheaterresistanceondevice.
V1I#LowCAN
Voltage,MZLP
_
AlarmBador
overloaded
powersupply
Verifypowersupplyvoltageis24VDC.Ifvoltageis
low,disconnectthepowerlinesandre-checkvoltage
reading.Ifvoltageisstilllow,replacepowersupply.If
voltageiscorrectafterdisconnectingthepowerlines.
Connectitemsoneatatimeuntilthevoltagedrops
toisolatethebadmodule.
V1M#
LowVoltage
LineAWB,Unit
_
DeviationThevoltage
totheAWB
isbelow
threshold
Verifytransformervoltagetopmatchesincoming
voltage.Verifyincomingvoltageiscorrect.
V4I#HighCAN
Voltage,MZLP
_
AlarmBador
overloaded
powersupply
Verifypowersupplyvoltageis24VDC.Ifvoltageis
high,replacepowersupplyunit.
40334129D

Содержание

Скачать