Despatch Protocol Plus Controller (Heat Only) Instrukcja Użytkownika Pobierz pdf (Strona 45)

Protocol Plus Owner’s Manual MAINTENANCE & TROUBLESHOOTING

Version 2 45

means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and

retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

6. Maintenance

6.1. Replacement Parts

To order or return parts, contact the Service Products Division at Despatch. The Service

Products features our Response Center for customer service. When returning parts, a

Despatch representative will provide you with an MRA (Material Return Authorization)

number. Attach the MRA number to the returned part for identification. When ordering

parts, expedite your process by providing model number, serial number and part number.

Global Headquarters

Contact

Service & Technical

Support

Despatch Industries

8860 207th Street

Lakeville, MN 55044

USA

International/Main: 1-952-469-5424

US toll free: 1-888-337-7282

Fax: 1-952-469-4513

inf[email protected]om

www.despatch.com

Service: 1-952-469-8230

US toll free: 1-800-473-7373

Service @despatch.com

7. Troubleshooting: Error Messages and Alarm

Table 15 lists the more common error messages, the possible problems and remedies.

Table 15. Error Messages and Next Steps.

Alarm Status

Possible Problem

Next Step

Hi-Limit LED flashing

• Problem with thermocouple

• Hi-limit setpoint has been

exceeded.

Once the problem has corrected,

press Reset.

Soak LED flashing

Oven temperature has not

entered (or dropped out of) the

soak band and the soak timer

has stopped

Program a slower ramp rate or if

oven is not heating check heater

circuit.

Top LED displays OPEN

and lower LCD displays

CONTROL SENS ERR

Control thermocouple is

disconnected or broken

Repair or replace the

thermocouple.

Lower LCD displays HI LIM

SENS ERR

Hi limit thermocouple is

disconnected or broken

Repair or replace the

thermocouple.

Lower LCD displays HIGH

LIMIT ALARM

Hi limit temperature setpoint

has been exceeded

Determine if:

• the setting is too close to the

setpoint

• the SSR is defective

• calibration is incorrect

Err4

Analog to digital conversion

circuit fault. Thermocouple or

control hardware failure.

Test thermocouple or consult

factory

Err5 (Beep code: five beeps

Program memory fault. Control

Consult factory

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