CASE 1:
TEMP. SETTING KNOB ON TOP COVER
CHECK AND TEST 1
Step 1
Remove the screw cover.
Step 2
Unscrew.
Step 3
Push the top cover forward.
Step 4
Take away the top cover.
Step 5
Disconnect terminals for thermostat.
Step 6
Set thermostat gear between MIN and MAX (do not at MIN or MAX position), and measure resistance between terminal C and terminal H.
DIAGNOSIS 1
CASE 2:
TEMP. SETTING KNOB ON THE FOREHEAD OF CABINET
CHECK AND TEST 1
Step 1
Unscrew.
Step 2
Remove the thermostat cover.
Step 3
Disconnect terminals for thermostat.
Step 4
Set thermostat gear between MIN and MAX (do not at MIN or MAX position), and measure resistance between terminal C and terminal H.
DIAGNOSIS 1
CASE 3:
TEMP. SETTING KNOB ON COMPRESSOR NICHE
CHECK AND TEST 1
Step 1
Unscrew thermostat box.
Step 2
Remove thermostat box.
Step 3
Disconnect terminals for thermostat.
Step 4
Set thermostat gear between MIN and MAX (do not at MIN or MAX position), and measure resistance between terminal C and terminal H.
DIAGNOSIS 1
CHECK AND TEST 2
Performance Testing Procedures and Assessment Criteria.
1. Sensor position: Freezer: geometric center of freezer compartment.
2. Test time: 30min to 60min.
3. Stop Gear: compressor-stopping gear must be above the gear listed on the table.
4. Temperature drop must be no less than the value on the table.
DIAGNOSIS 1
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