Honeywell HL12CESWW User Manual

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Model / Modèle / Modelo:

o

C

o

F

COOL

DRY

FAN

POWER

TIMER

SLEEP

WATER

FULL

HIGH

MID

LOW

TIMER

SLEEP

HL10 Series / Série / Serie: HL10CESWW, HL10CESWK, HL10CESWG, HL10CESWB

HL12 Series / Série / Serie: HL12CESWW, HL12CESWK, HL12CESWG, HL12CESWB

HL14 Series / Série / Serie: HL14CESWW, HL14CESWK, HL14CESWG, HL14CESWB

HL14CHESWW, HL14CHESWK, HL14CHESWG, HL14CHESWB

Portable Air Conditioner

User Manual

Email: usinfo@jmatek.com

Web: www.jmatek.com

Table of Contents

Questions and Answers:

V
vargaspriscillaAug 16, 2025
Why is my Honeywell HL12CESWW running but not cooling?
- S
  Shawn ClarkAug 16, 2025
  Several factors can cause your Honeywell Air Conditioner to run without cooling effectively. Check if any doors or windows are open and close them. Ensure the air filter is clean. Verify that the exhaust hose is properly reinstalled. Reduce the temperature setting. Remove any blockages from the air outlet or intake. If the room is too large, move the unit to a smaller room. Covering windows with curtains or blinds can also improve cooling effectiveness.
C
Cassandra DiazAug 19, 2025
How to fix a Honeywell HL12CESWW Air Conditioner that does not start?
- T
  Thomas TaylorAug 19, 2025
  If your Honeywell Air Conditioner doesn't start, begin by checking if there is electricity. Replace the remote control batteries. Ensure the power cord is properly plugged in by removing and reconnecting it. If you are in the USA, Canada, or Mexico, reset the safety LCDI plug.
A
Anthony ClarkAug 22, 2025
What to do if my Honeywell Air Conditioner doesn't start?
- D
  ddanielsAug 22, 2025
  If your Honeywell Air Conditioner isn't starting, there are several potential causes. First, ensure the unit has electricity by checking the power supply. Replace the remote control batteries. Ensure the power cord is properly plugged in by removing and reconnecting it. If you are in USA / Canada / Mexico, reset the safety LCDI plug; if the problem continues, contact customer support.
E
Eric ClarkAug 26, 2025
Why does my Honeywell Air Conditioner only run for a short while?
- M
  Michael FreemanAug 26, 2025
  Your Honeywell Air Conditioner might run only briefly due to a few reasons. First, the thermostat temperature setting might be too close to the room temperature; try lowering the set temperature. Second, the air outlet could be blocked, so ensure the exhaust hose is properly connected. Finally, tight bends in the air exhaust hose can cause this issue; connect the exhaust hose as per instructions.
A
Amy HardyAug 28, 2025
Why is the heater not switching on in my Honeywell Air Conditioner?
- A
  Allison ScottAug 28, 2025
  The heater might not switch on in your Honeywell Air Conditioner if the heating function hasn't been activated. The Heating* function should be activated when the ambient temperature reaches below 25°C (77°F). Also, ensure the temperature setting is not too high, as Heating* is only activated when the ambient temperature is below 25°C (77°F).
T
Teresa SimsAug 31, 2025
Why does my Honeywell HL12CESWW run only a short while?
- M
  Mr. Andrew MercerAug 31, 2025
  Your Honeywell Air Conditioner might be running only for a short time due to a few reasons. The thermostat temperature setting may be too close to the current room temperature, in that case you should lower the set temperature. Another possibility is that the air outlet is blocked, so remove any blockage. Also, check for tight bends in the air exhaust hose, and connect the exhaust hose as per instructions.
M
martinlisaSep 3, 2025
What to do if my Honeywell HL12CESWW Air Conditioner does not start?
- L
  Lawrence GutierrezSep 3, 2025
  If your Honeywell Air Conditioner isn't starting, begin by checking for power. Replace the remote control batteries. If that doesn't work, remove and reconnect the power cord. If the issue persists, reset the safety LCDI plug. If problems continue, contact customer support (USA / Canada / Mexico only).
C
Cassandra BurnsSep 6, 2025
What to do if the power button is blinking on my Honeywell HL12CESWW?
- E
  Erica WernerSep 7, 2025
  If the power button on your Honeywell Air Conditioner is blinking, and it indicates a water full condition, it means there's likely excess water condensation inside the tank. You should drain the water, following the instructions for Water Condensation Drainage.
M
Maria WalkerSep 9, 2025
What to do if my Honeywell HL12CESWW Air Conditioner runs only a short while?
- E
  Eric TaylorSep 10, 2025
  If your Honeywell Air Conditioner runs only for a short time, it might be due to thermostat settings. Try lowering the set temperature, as it may be too close to the room temperature. Also, ensure that the air outlet isn't blocked and that the exhaust hose is properly connected.
P
porterscottSep 12, 2025
Why is the power button blinking on my Honeywell HL12CESWW?
- M
  michael24Sep 12, 2025
  If the power button indicator is blinking on your Honeywell Air Conditioner, it usually means there is excess water condensation inside the tank. You will need to drain the water.

Honeywell HL12CESWW Specifications

General

Type	portable
Color	white
Operating Area Size	550 square feet
Cooling Settings	1
Seasonally Adjusted Cooling Capacity	6500 british thermal units
Heater	no
Fan Airflow Rate	241 cubic feet per minute
Filter	washable
Hose	single
Remote Control	yes
Wireless Connectivity	none
Timer	yes
Sleeping Mode	yes
Current	8.1 amperes
Depth	15.7 inches
Height	31.3 inches
Width	18.9 inches
Net Weight	67.3 pounds

Summary

SAFETY

General Safety Precautions

Key safety warnings and instructions for safe operation and handling of the appliance.

INSTALLATION

Installation Kit and Assembly Steps

Guide to the installation kit components and step-by-step instructions for setting up the unit.

INSTALLATION PRECAUTIONS

Important Warnings and Placement Guidelines

CONTROL PANEL AND MODES

Overview of Controls and Operating Modes

CLEANING & MAINTENANCE

Appliance and Filter Cleaning

WATER CONDENSATION DRAINAGE

Manual Water Draining

TROUBLESHOOTING GUIDE

Unit Not Starting or Running Issues

Solutions for problems where the unit fails to start or operates for short durations.

Cooling Performance and Water Full Indicator

Troubleshooting tips for poor cooling and the cause and resolution of the WATER FULL indicator.

Heater Function and Other Problems

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