16
TS Series
6.0 Troubleshooting (continued)
Problem Possible Causes Solution
Starter tripping. Single phasing. Check all the three phases are
available at over load terminals
and at line side of starter
High Ambient Temperature. Provide proper ventilation. En-
sure ambient temperature is
less than 105⁰F
Overload Faulty Check amp draw of motor. If
overload is tripping below set
point replace overload
Voltage fluctuation. Control the fluctuation or stop
the compressor if the voltage is
too low
Frequent start stop Check the starts and stops per
hour. Should be less than 10
times per hour. If not increase
receiver volume.
Motor does not run in normal con-
dition
Faulty pressure switch Replace pressure switch
Faulty starter coil Replace starter
Single Phasing (humming noise
and motor does not produce
enough torque)
Check to see if all phases are
available at all terminals
Loose connection on starter termi-
nals, coil terminals or pressure
switch terminals
Correct the loose connections.
Motor overload tripping Check the reasons for tripping
and correct, reset by pressing
reset button on starter
Motor winding burnt Replace motor
Motor Faulty High ambient temperature Provide proper ventilation. En-
sure ambient temperature is
less than 105⁰F
Motor fan not rotating Check for defective motor fan
Over loading Check O/L setting and pressure
switch setting
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