TROUBLE
COMMON CAUSE
REMEDY
UNIT RUNS
Abnormally high, heavy use of cabinet.
Heavy usage requires more operation
TOO MUCH.
Check usage and correct or explain.
Shortage of refrigerant. Unit must run
Put in the normal charge and check for
longer and will operate at a lower
leaks.
than normal suction pressure.
Overcharge of refrigerant. Excess-
Remove excess charge.
ively cold or frosted suction liner
results in lost refrigeration effort.
Restricted air flow over condenser
Correct the condition.
or air or non-condensable gases
in system.
High room temperature.
Check for temperature variance. Correct
condition.
Compressor inefficient.
Replace.
Thermostat setting too cold.
Raise setting.
UNIT SHORT CYCLES.
Cycling on overload because of high/low
Check voltage, head pressure and air
line voltage with variance more or less
passages. Repair and correct condition.
than 10% from 115 volts. May also
be caused by head pressures too high.
PRODUCT TOO COLD.
Thermostat set too cold.
Set warmer. (Setting #1 is the warmest; #7 is
the coldest.)
Thermostat bulb contact bad.
If the bulb contact is bad, the bulb tempera-
ture will lag behind the sleeve temperature,
causing the unit to run longer and make the
cabinet too cold. Make sure bulb makes good
contact with the bulb well.
Room temperature abnormally low.
Correct conditions.
PRODUCT TOO WARM.
Thermostat set too warm.
Set colder. (setting #1 is the warmest; #7
the coldest.
Thermostat contact points dirty
Clean or replace thermostat.
or burned.
Thermostat out of adjustment.
Readjust or change thermostat.
Excessive service load or abnormally
Educate customer about problems that are
high room temperature.
caused by improper loading and excessive
room temperature fluctuations.
Excessive frost accumulation.
Defrost the cabinet.
TROUBLESHOOTING
95
Summary of Contents for BT30RF- EXPR
Page 15: ...SECTION II...
Page 26: ...ELECTRICAL BOX WIRING DIAGRAM 00 0056 00 WIRING DIAGRAM 25...
Page 27: ...ELECTRICAL BOX WIRING DIAGRAM 00 0057 00 26 WIRING DIAGRAM...
Page 28: ...ELECTRICAL BOX WIRING DIAGRAM 00 0064 00 WIRING DIAGRAM 27...
Page 49: ...INSTRUCTIONS SOLID DOOR REMOVAL INSTALLATION ADJUSTMENT 48 MAINTENANCE REPAIR...
Page 63: ...CASTER INSTALLATION INSTRUCTIONS 62 MAINTENANCE REPAIR...
Page 69: ...ELECTRICAL REFRIGERATION INFORMATION BT30RF EXPR Explosion Proof Refrigerator Freezer...
Page 79: ...ELECTRICAL REFRIGERATION INFORMATION ST260RI ST260RIR...
Page 81: ...MODULE 1 ANALOGIC PARAMETERS MODULE 1 PARAMETERS 83...
Page 83: ...MODULE 1 DAYTRONICS PARAMETERS MODULE 1 PARAMETERS 85...
Page 102: ...EVAPORATOR FAN SHROUD ASSEMBLY 104 EVAPORATOR FAN SHROUD ILLUSTRATION...
Page 105: ...EVAPORATOR FAN AREA BT30RSFMS BT50RSFMS EVAPORATOR FAN AREA ILLUSTRATION 107...
