Amana ASXC16 Service And Troubleshooting page 82

SERVICING
Symptoms Diagnostic/Status LED
of Abnormal
Digit 3 Digit 2
Operation
• Run time for last 4 BLANK
cycles is less than 3
minutes each.
• Compressor protector
has not tripped.
• Low pressure and high
pressure switches are
closed.
• Integrated control
module diagnostic/
status LED display
shows the indicated
code.
• Compressor and BLANK
outdoor fan are off
• Compressor protector
trips four consecutive
times
• Average run time
between trips is less
than 15 seconds
• Integrated control
module diagnostic/
status LED display
shows the indicated
code
• Compressor and BLANK
outdoor fan are off for
greater than 4 hours
• Low pressure and high
pressure switches are
closed
• Integrated control
module diagnostic/
status LED display
shows the indicated
code
• Compressor and BLANK
outdoor fan are off
• Low pressure and high
pressure switches are
closed
• Integrated control
module diagnostic/
status LED display
shows the indicated
code
UNITARY DIAGNOSTIC CODES
Display Codes
Digit 1
0 3 • Short Cycling
0 4 • Locked Rotor
0 5 • Open Circuit
0 6 • Open Start
Circuit
Fault Possible
Description Causes
• Intermittent
thermostat demand
• Faulty compressor
relay
• Compressor
bearings are seized
• Failed compressor
run capacitor
• Faulty run
capacitor wiring
• Low line voltage
• Power is
disconnected
• Failed compressor
protector
• Compressor not
properly wired to
control
• Compressor start
winding is open
• Failed compressor
run capacitor
• Faulty run
capacitor wiring
• Compressor not
properly wired to
control
• Faulty compressor
wiring
Corrective Notes &
Actions Cautions
• Check thermostat • Turn power OFF
and thermostat prior to repair
wiring; repair/ • Fault will clear after
replace as needed 4 consecutive normal
• Check cycles
compressor relay • Fault may be
operation; replace cleared by cycling
control as needed 24VAC to control
• Replace with correct
replacement part(s)
• Minimum
compressor run time
is changed from 30
seconds to 3 minutes
• Check • Turn power OFF
compressor prior to repair
operation; repair/ • Must clear fault by
replace as needed cycling 24VAC to
• Check run control
capacitor; replace • Replace with correct
as needed replacement part(s)
• Check wiring;
repair/replace as
needed
• Verify line voltage
is within range on
rating plate; control
local utility is out of
range
• Check circuit • Turn power OFF
breakers and fuses prior to repair
• Check wiring to • Fault will clear after
unit; repair/replace 1 normal cycle
as needed • Fault may be
• Check cleared by cycling
compressor; 24VAC to control
repair/replace as • Replace with correct
needed replacement part(s)
• Check
compressor wiring;
repair/replace as
needed
• Check • Turn power OFF
compressor; prior to repair
repair/replace as • Fault will clear after
needed 1 normal cycle
• Check run • Fault may be
capacitor; replace cleared by cycling
as needed 24VAC to control
• Check wiring; • Replace will correct
repair/replace as replacement part(s)
needed
PCBHR105
82