Shellab SRI21D-2 - Manual (Page 17)

17
If the compressor is running:
1/ see if condenser is cold but free of ice.
2/ be sure that fan is circulating air in the chamber and over the
compressor.
3/ confirm proper sensor location and operation.
4/ look for leaks in the chamber or around the door gasket.
5/ assure ample room around the unit as described in Installation
section 2.2
6/ If 1 through 7 has been tried and still not functioning correctly,
call customer service.
If compressor isn’t running:
1
/ if too cold inside adjust “cold control”
located outside on bottom right rear
2/ check for non-operating relay
3/ confirm that compressor cooling fan motor is operable.
4/ check if motor has voltage to it.
5/ see if refrigeration is running too hot and thermal cutoff
activated:
a- dirty coil or poor circulation
b- coil next to heat source
c- ambient temperature too high
Ice build up in chamber
1/ Remove any open or exposed water in the chamber
2/ Search for leak in door gasket.
3/ Door being opened too often.
4/ Open container inside the chamber.
5/ Check tightness of seal around all chamber wire and plumbing
access to outside.
6/ Turn defrost switch on, Note: defrost switch must be turned off
for best temperature uniformity; If no defrost option available,
call Customer Service.
Making noise
1/ assure that fan is not miss-aligned.
2/ Steady internal clicking may be broken spring or valve
– call
Customer Service.
MECHANICAL
Motor doesn't move
1/ if shaft spins freely: check connections to motor and check
voltage to motor.
2/ if shaft rubs or is frozen, relieve binding and retest.
Motor makes noise
1) Make sure that the fan or blower wheel is not contacting its
housing. Adjust the motor mounting bracket position to re-center
the fan or blower wheel, if necessary.
2) Check the fan or blower wheel for damage or out of balance
condition. Replace the fan or blower wheel if it is damaged or out
of balance.
3) Turn the motor shaft to make sure that it spins freely. If it binds
or the bearings make a rubbing or scrapping sound then replace
the motor.
Door not sealing
1/ Confirm that unit has not been damaged and body is square.