Despatch RAD1-42 -2E with Protocol 3 Instrukcja Użytkownika Pobierz pdf (Strona 29)

RAD1-42-2E Oven Owner’s Manual TROUBLESHOOTING

Version 1 29

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7.2. Error Messages and Alarm

Table 4 lists the more common error messages, possible problems and remedies.

Table 4. Error Messages and Next Steps.

Alarm Status

Possible Problem

Next Step

HI LIMIT LED ON

 Problem with thermocouple

 High Limit setpoint has

been exceeded.

Once the problem has corrected, press

RESET.

DEV HOLD LED flashing

Oven temperature has not

entered (or dropped out of) the

Auto Hold band and the soak

timer has stopped

Program a slower ramp rate or, if oven

is not heating, check heater circuit.

Top PV displays OPEN

Control thermocouple is

disconnected or broken

Repair or replace the thermocouple.

HLPV displays OPEN

High Limit thermocouple is

disconnected or broken

Repair or replace the thermocouple.

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Despatch RAD1-42 -2E with Protocol 3 Instrukcja Użytkownika Strona 29