Heat Controller EKTC, EKTH manual Diagnostic Codes

Page 20

Diagnostic Codes

CODE

STATUS

DISPLAY

ERROR

SUGGESTED ACTION

LIGHT

 

 

 

 

 

 

 

 

 

 

 

M

FP

Freeze Protection Engaged. The room temperature

Y

N

No Action required. This setting will disengage when

measured by the wireless remote thermostat or indoor

the room temperature rises above 43°F.

O

 

ambient thermistor active sensor falls below 40°F.

 

 

 

 

 

 

 

Open front desk switch to allow occupant unit

D

Fd

Front Desk switch is closed. All outputs are switched off.

Y

N

operation.

E

 

 

 

 

 

 

 

 

 

S

On

Control is configured to respond to a wired thermostat

Y

N

No action if a wired thermostat is being used.

 

Otherwise, see Configuration Settings.

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor Ambient Thermistor reads outside the range -20°F to

 

 

 

 

 

200°F & the wireless thermostat is not communicating to the

 

 

Replace black Indoor Ambient Thermistor or

 

F1

unit control or

Y

Y

 

 

Wireless Remote Thermostat.

F

 

Indoor Ambient Thermistor (IAT) without a wireless remote

 

 

 

 

 

 

 

thermostat reads outside the range -20°F to 200°F.

 

 

 

A

 

 

 

 

 

 

 

 

 

 

I

F2

Configuration Error

N

N

Set C1 Configuration Code to 0 or L5.

L

 

 

 

 

 

 

 

 

 

 

U

F3

Indoor Ambient Thermistor reads outside the range -20°F to

Y

N

Replace black Indoor Ambient Thermistor.

R

200°F

 

 

 

 

E

F4

Indoor Coil Thermistor either above or below operating

N

Y

Replace Red Indoor Coil Thremistor .

S

tolerances.

 

 

 

 

 

F5

Configuration Error

N

Y

Set C1 Configuration Code to 0 or L5.

 

 

 

 

 

 

 

F6

Indoor Discharge Thermistor either above or below operating

N

Y

Replace Yellow Indoor

 

tolerances.

Discharge Thermistor.

 

 

 

 

 

Fb

Configuration Error

N

Y

Set C1 Configuration Code to 0 or L5.

 

 

 

 

 

 

 

br

Brown Out Protection engaged. Power was lost or voltage is

N

N

Check for incoming power at correct voltage.

 

low.

 

 

 

 

 

A

 

 

 

 

 

L6

Discharge Air Too Hot.

N

Y

Clean Filter or Remove Air Blockage.

I

 

 

 

 

 

 

 

 

 

 

R

L8

Air Restriction in Heating.

N

Y

Clean Filter or Evaporator Coil.

F

 

 

 

 

 

L

L9

Air Restriction in Cooling.

N

Y

Clean Filter or Evaporator Coil.

O

 

 

 

 

 

W

LC

Outdoor Coil Thermistor temperature high.

N

Y

Clean Condensor Coils, Check Fan

 

fault code. Code will reset after cleaning.

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

 

A

C1

Clean Indoor Coil / Filter.

N

Y

Check for Blocked Indoor Air.

R

N

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

N

C0

Clean Outdoor Coil.

N

Y

Check for Blocked Outdoor Air.

G

 

 

 

 

 

S

 

 

 

 

 

19

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Contents EKTC/EKTH Package Terminal AIR CONDITIONER/HEAT Pump Recognize this Symbol AS a Safety Precaution Unit Features Lcdi power CordTouch Pad Control Panel Chassis FrontEnergy Management System Features Unit Accessories Transportation DamageInstallation Instructions Sleeve Stiffener and Rear Closure Panel RemovalChassis Installation View Proper Sleeve TiltCabinet Front Removal View Front Mounting ScrewHeaterless Units WiringPtac Wire Harness KIT PWHK01C Power Cord Requirements Operating InstructionsOperating Voltage User ControlsControl Board User Inputs Maximum Wire Length for Front Desk SwitchFront Desk Switch Wiring Schematic Low Voltage Wires Routing Vent Door Lever PositionsVent Control Lever Discharge Grille Orientation OptionsRemote Thermostat Remote Control InputsDischarge Air Flow Grille Removal Maximum Wire Length for Remote Control Connection Wiring Schematic for Straight Cool UnitWiring Schematic for Remote Heat Pump Maintenance and Cleaning Monthly Maintenance and CleaningIntake Filter Removal Vent Left Side UnitYearly Maintenance and Cleaning Cabinet FrontObtaining Service Normal Operating Sounds and ConditionsConfiguration Settings To exit configuration modeDiagnostic Maintenance & Status Report Diagnostic Status Report ModeOperating Temperatures Active FailuresDiagnostic Codes 12/06

EKTC, EKTH specifications

The Heat Controller EKTH and EKTC models are advanced heating solutions designed to provide energy-efficient climate control for residential and commercial spaces. These heat pumps combine sophisticated technology with user-friendly features to create a comfortable environment regardless of the outside temperature.

One of the standout features of both the EKTH and EKTC units is their inverter technology. This technology allows the compressor to operate at variable speeds, adjusting its output according to the current heating requirements. As a result, these systems provide consistent heating while consuming less energy compared to traditional fixed-speed units. The inverter technology not only enhances efficiency but also minimizes noise levels, making these heat controllers suitable for quiet environments.

Another significant characteristic of the EKTH and EKTC models is their all-weather performance. These heat pumps are engineered to perform effectively in a wide range of temperatures, ensuring reliable heating even in extremely cold conditions. With advanced defrost technology, these units can operate efficiently without freezing, maintaining optimal performance year-round.

User convenience is also a priority with the EKTH and EKTC systems. Both models feature intuitive digital controls that enable users to set their desired temperature comfortably. Additionally, many versions include Wi-Fi connectivity, allowing for remote access and control through a smartphone app. This feature is ideal for individuals seeking to monitor or adjust their heating systems while away from home.

Energy efficiency is a key aspect of the EKTH and EKTC heat controllers. They are designed with high Seasonal Energy Efficiency Ratios (SEER) and Heating Seasonal Performance Factors (HSPF), which indicate their effectiveness in converting energy into heated air. Energy Star certification is often achieved by these models, making them attractive options for energy-conscious consumers looking to reduce their carbon footprint.

With a compact design, the EKTH and EKTC units can be easily integrated into various settings without taking up much space, allowing for flexible installation options. The sleek aesthetic also ensures that they blend seamlessly with interior decor.

In summary, the Heat Controller EKTH and EKTC models represent a cutting-edge solution to heating needs. They combine inverter technology, all-weather performance, user-friendly features, and high energy efficiency to provide reliable and comfortable heating solutions for any environment. Whether for a home or a commercial space, these heat pumps deliver quality and convenience in climate control.
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