Watlow Series EHG SL10 Integrated Temperature Controller Bedienungsanleitung PDF herunterladen (Seite 5)

Watlow Controls 5 EHG SL10 User’s Guide

EHG SL10 Error Codes

Display Description Possible Cause Corrective Action

[SL1]

Limit error Sensor has exceeded SLA value or

open thermocouple

• Set SLA to correct Safety

Limit Value

• Check wiring of sensor

• Check sensor conﬁ guration

[SL2]

Control error Sensor has exceeded SLA value or

open thermocouple

• Set SLA to correct Safety

Limit Value

• Check wiring of sensor

• Check sensor conﬁ guration

[Er3]

Limit Sensor Error Limit sensor reading out of range (<

-13 or > 640)

• Check wiring of sensor

• Check sensor conﬁ guration

[Er4]

Control Sensor Error Control sensor reading out of range

(<-13 or > 640)

• Check wiring of sensor

• Check sensor conﬁ guration

[Er5]

Limit Ambient Error Temperature at limit sensor cold junc-

tion (> 185 degrees)

• Check to be certain the EHG

SL10 is not in an ambient

condition greater than 185

degrees C

[Er6]

Control Ambient Error Temperature at control cold junction

(> 185 degrees)

• Check to be certain the EHG

SL10 is not in an ambient

condition greater than 185

degrees C

[ER9]

HMI Communications

Fault

Loss of communication between base

and display communications module

• Check connection between

EHG SL10 and display/com-

munications module

[Ahi]

Alarm High Process temp exceeds set point by

value greater than alarm high setting

• Set HTA value to correct high

temperature alert value

[Alo]

Alarm Low Process temp below set point by value

greater than alarm low setting

• Set LTA value to correct Low

temperature alert value

[E91]

Communications Queue

Full

Communications buffer overﬂ ow, re-

turn to factory

• Contact Technical Support at

1-507-494-5656

[E10]

EEPROM Error EEPROM memory space fails CRC

check (checksum for parameter space),

return to factory

• Contact Technical Support at

1-507-494-5656

[E11]

CRC Error Flash memory space fails CRC check

(checksum for program space), return

to factory

• Contact Technical Support at

1-507-494-5656

[E12]

CPU Clock Error Clock frequency is < 5 MHz or > 13.1

MHz, return to factory

• Contact Technical Support at

1-507-494-5656

[E13]

Stack Overﬂ ow Stack has overﬂ owed, return to factory • Contact Technical Support at

1-507-494-5656

[E15]

AI Function Error Analog reference is < 1.82 or > 2.06

volts, return to factory

• Contact Technical Support at

1-507-494-5656

[E16]

Process Comparison

Error

Limit and control sensor readings

differ by value greater than process

comparison value

• Check setting of Proces Com-

parison Value

• Set Process Comparison Value

to correct value

• Check wiring of sensors

[E17]

Data Store Error Data store functions are not set up,

return to factory

• Check setting of Proces Com-

parison Value

• Check wiring of sensors

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