Chromalox 2110 Instrukcja Użytkownika Pobierz pdf (Strona 26)

Chromalox 2110

Section 9—Troubleshooting

The following Troubleshooting Guide offers simple solutions to

common problems and explains the 2110’s Error Messages. Re-

view this section for a possible solution to your problem before

contacting Chromalox.

Note: For each symptom, perform correction steps in the order

listed.

Section 9–Troubleshooting

Symptom Probable Cause Correction Steps

Power applied, dis-

play does not light,

and controller does

not function

1. No power applied

2. External fuse open

1. Check power wiring and

fusing

2. Power down and

repower up

Display alternates

between HI and

SENS, 2110 disables

control output

1. Open sensor

2. Out of calibration

1. Check sensor wiring

Check selection switches

3. To verify that control-

ler is at fault, remove

the thermocouple and

place a jumper across

the sensor terminals of

the 2110. If the display

reads approximately

ambient, then the sen-

sor is open. Replace the

thermocouple.

4. See Section 7–Calibra-

tion

Process does not

heat up

1. No power being

applied to the load

2. Load fuse open

1. Verify Load LED is ON

2. Verify the heater or fuse

is not open

3. Verify output limit is set

to 100%

4. Verify set point is

greater than process

temperature

5. Verify output wiring

Erratic operation 1. Intermittent sensor

connections

Controller failure

(internal electronics)

3. External electrical

noise

1. Check sensor wiring or

substitute sensor

simulator

2. Power down and

repower up

3. Contact Chromalox

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