TROUBLESHOOTING
Follow the troubleshooting guide below to resolve common issues.
Issue
Possible Cause
Solution
Unit is not functioning at all
and shows no signs of power.
Unit is not receiving power
Make sure the unit is plugged in
Insufficient power
Move the unit to another outlet. Check your
circuit breaker. (Refer to the rating label on the
back of the unit to determine the Amperage draw)
AC power cord
Test with a different cord. If unit works, replace
the AC power cord.
DC power cord
Test the unit with another power supply, e.g.
another vehicle with a known working DC power
outlet.
Disconnected wire
Contact customer service
Unit is making strange
noises
Some noises are normal
Review the normal sounds section of this manual.
The unit is not level
Move the unit to a level surface
Unit is making a loud
continuous
metallic
knocking or pinging sound
Unit may have been shipped on its
side
Shut off the unit. Let the unit sit on a level
surface for at least 24 hours and restart.
Damaged compressor
Contact customer service
Unit is leaking
Drain plug is not attached
Insert the drain plug into the drain port.
Unit runs for a little while
and then it trips the power
cord or the circuit breaker
The unit may be plugged into an
outlet that cannot supply the correct
amount of current
Contact an electrician if the unit works in a
different room or circuit
The control panel lights
blink randomly
Unit may have a faulty control
panel
Restart the unit, and if issue persists, contact
customer service
Unit has an HH error
Ambient temperature has exceeded
40
℃
Restart the unit, and if issue persists, contact
customer service
Unit has an OC error
Thermostat error was detected
Restart the unit, and if issue persists, contact
customer service
Unit has a SC error
A short circuit in thermostat
detected
Restart the unit, and if issue persists, contact
customer service
Unit has power, but the
compressor does not run
Ambient temperature is too low
Move the unit to a warmer location.
Disconnected wire
Contact customer service
Technical parameters
Model
JK-B-18D/28D
JK-B-25D
JK-B-30D
JK-B-40D
JK-B-50D
Volume
18L/28L
25L
30L
40L
50L
Climate type
ST/N/SN
ST/N/SN
ST/N/SN
ST/N/SN
ST/N/SN
Voltage
AC- 115V~50-60Hz
DC- 12V/24V
AC- 115V~50-60Hz
DC- 12V/24V
AC- 115V~50-60Hz
DC- 12V/24V
AC- 115V~50-60Hz
DC- 12V/24V
AC- 115V~50-60Hz
DC- 12V/24V
Current
1.5A/3A
1.7A/3.4A
1.85A/3.7A
2.1A/4.2A
2.3A/4.6A
Power
36W/42W
41W
45W
50W
55W
Temperature
-18
℃
-18
℃
-18
℃
-18
℃
-18
℃
Refrigerant
R134a
R134a
R134a
R134a
R134a
(Note: due to technical improvement, the above parameters may be changed, and it is subject to the rating label
parameters of the product.)
