tbs electronics SR12, Руководство по эксплуатации и обслуживанию

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Page 13
MALFUNCTIONS, CAUSES AND REMEDIES
Problem:
Unit is heating up to set temps.
Unit will recycle off water, alcohol and xylene into one container, second container, first container remains
empty.
Initial troubleshooting revealed that the switching module was okay and did not need replaced.
Possible Solutions :
Middle thermostat, which controls distillation temp may have become loose within well and is not
registering temp.
Middle Thermostat may need replaced.
To Check:
Turn unit on heat it without anything in it. Move the middle thermostat back and slowly move to higher
temp. Watch to see if the indicator light changes from set to distillation temp. If this happens, thermostat is
okay.
Thermostat probe may still be out or loose in distillation chamber. Take front cover off of unit, it comes in
on the top right side of the unit.
Distillation time lasts much
longer than 4 hours 1. Contaminated solvent
contains too much water
2. Thermal oil level is low
3. Thermal oil is old and
dirty
4. Heating elements need
cleaning
1. Replace the solvent
2. Add oil
3. Change the oil
4. Remove and clean with
solvent
Heats but does not distill 1. Distilling chamber is dirty
2.
Solvent distillation temp. is
higher than set on working
thermostat
3. Distillate temperature too high
4. Thermal oil level is low
1. Clean chamber
2. Increase the Working
Thermostat temp. setting
3. Change solvent
4. Add oil
Red Indicator Light is “ON” 1. Working temperature is too
high
2. The max. temp. Safety
Thermostat intervened
3.
The distillate Safety
Thermostat intervened
4. Cooling motor not operating
5. Distilling Condenser scaled
6.
Maximum Temp. Safety
Thermostat is defective or out
of calibration
Condensing apparatus has
1. Reduce the working temp
2. Change the Working
Thermostat
4. Replace motor
4. Clean or replace
5.
Remove the protective cage
and clean it with a brush or air
pressure
6. Replace Max. Temp. Safety
Thermostat