Gardner Denver EBB BB-7.5 HP, Руководство по эксплуатации и обслуживанию

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SECTION 9
TROUBLE SHOOTING
SYMPTOM POSSIBLE CAUSE REMEDY
Compressor fails to start. 1. Wrong lead connections. 1. Change leads.
2. Blown fuses in control 2. Replace fuse.
box.
3. Motor starter overload 3. Reset and investigate
heaters tripped. cause of overload.
4. Pressure in reservoir. 4. Inspect blowdown valve.
5. Read error message on 5. Replace switch.
control panel. See Section 4.
Compressor starts but 1. High discharge temperature. 1. See “High Discharge
stops after a short time. Air Temperature,” this
section.
2. High discharge 2. Replace switch.
temperature switch
malfunction.
3. Blown fuse in starter/ 3. Replace fuse
control box. (investigate if fuses
continue to blow).
4. Motor starter overload 4. Reset and investigate
heaters trip. cause of overload.
Compressor does not 1. Improperly adjusted 1. Refer to Section 4, page
unload (or load). control. 19, and adjust control.
2. Air leak in control 2. Determine source of
lines. leak and correct.
3. Restricted control line. 3. Clean control lines.
Compressor cycles from 1. Insufficient receiver capacity. 1. Increase receiver size.
load to unload excessively.
2. Restriction in service piping. 2. Inspect and clean service
piping.
3. Restriction in control 3. Inspect and clean
tubing. control tubing.
4. Plugged aftercooler. 4. Inspect and clean aftercooler.
Compressor is low on 1. Restricted air filter. 1. Clean or replace filter.
delivery and pressure.
2. Sticking inlet valve. 2. Inspect and clean inlet
valve.