Friedrich SS12N10*, SS14N10*, SS15N30*, SS10N10*, SM18N30* service manual Error Codes and Alarm Status

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ERROR CODES AND ALARM STATUS

Error

Problem

Control Board's Action

Code

 

 

1

Front Panel Button Stuck For More

Continue to monitor for "OPEN" (Unstuck) switch. Do not process switch

Than 20 Seconds

input. ENSURE FRONT COVER DOES NOT DEPRESS BUTTONS

 

2Input Voltage Out of Specification (103 Open all relays until voltage is back within specs. Resume operation - 127 / 187 - 253)

3Indoor Temperature Sensor is Open or Set temp to 75°F in COOLING or 68°F in HEATING. Unit continues to

Shortedoperate

4

Indoor Coil Temperature Sensor is

Control Board sets temp to a default of 40°F. Override sensor. Unit

Open or Shorted

continues to operate.

 

 

Outdoor Coil Temperature Sensor is

Sets temp to 20°F. Override sensor. Continue operation. Use Elec Heat if

5

available for HEATING. If not available use HEAT PUMP if outdoor temp

Open or Shorted

 

allows.

 

 

 

 

Shut down for 5 min. Resume operation for 3 min. Continues to monitor. If

6Outdoor Coil > (greater than) 175 F test fails 3 times, the unit operation is locked out. Unplug and replug to reset.

7Indoor Coil < (less than) 30 F for 2 Turn compressor off. Run High Fan speed. When coil temp reachs 45°F

consecutive minutesresume operation after lockout time.

8Unit Cycles > (grater than) 9 Times per Continue operation. Continue to monitor. Take no action. Log Only. hour

9

Unit Cycles < (less than) 3 Times per

Continue operation. Continue to monitor. Take no action. Log Only.

Hour

 

 

 

 

Only used if Electric Heat is available. Run High Speed and Electric heat

10

Room Freeze Protection

until room temp reaches 46°F. Display "FRZ" during operation. Logged

 

 

Only

11

Not Applicable

Not Applicable

 

 

 

12

Discharge Air > (greater than) 185 F

Shutdown heat pump and electric heater. Run high fan speed until temp is

100°F. Resume operation. Third occurance in 1 hour locks unit out.

 

 

 

 

 

13

Not Applicable

Not Applicable

 

 

 

14

Discharge Air Temperature Sensor is

Override Sensor. Set temp to 75°F. Continue to monitor. Set error code 14

Open or Shorted

ON.

 

15

Heat Pump/Reversing Valve Error

If indoor coil temp < (Lesser than) ambient temp for 5 minutes. Unit uses

electric heat to satisfy heating demand. Unplug and replug to reset.

 

 

16Temperature Beyond Operating Limits Ambient temp < (less than) 0°F and ambient temp > (greater than) 130°F. Set error code 16 ON. When cleared return unit to normal.

17

Equipment Doesn't Meet Minimum

Must have compressor enabled and at least 2 fan speeds

Configuration

 

 

18

Not Applicable

Not Applicable

 

 

 

19

Not Applicable

Not Applicable

20

Not Applicable

Not Applicable

 

 

 

21

Not Applicable

Not Applicable

22

Outdoor Coil Temperature < 30 F for 2

Unit will use electric heat to satisfy heating demands until temp is greater

consecutive Minutes

than 45°F. Unit must be a Heat Pump with electric heat.

 

23

Frost Protection (for Heat Pump Only

Unit will run active defrost for up to 6 minutes when Heat Pump run time

Unit- YS10M10)

is greater than 60 minutes and outdoor coil temp is 26 F or less.

 

 

 

 

24

Not Applicable

Not Applicable

 

Key Sequence

 

Action

To Access Error Codes

Press the fan speed and key for 3 seconds

Reset Error Codes & Error History

Press + timer/schedule for 3 seconds

When you have entered the Error Codes section, an “E” will appear. Use the up and down Only active error codes will display.

keys to scroll through error codes.

55

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Contents Cool Only Heat PumpTable Of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Repair Hazards Property Damage Hazards Model and Serial Number Location IntroductionComponents Identification Unit Identification Specifications Refrigeration System Performance DataKeep the filter clean Unit placementProper installation of seal gasket Provide good air flowFire Hazard Electrical DataElectric Shock Hazard Electrical Shock Hazard Kuhl Control Options FriedrichLink AdapterControl Panel and Display Identification Control Panel Operation Instructions Timer Schedule Button ºF ºC SelectDIM Function AlertsControl Panel Lock External Control StatusTo Turn On the Timer or Schedule Selected Timer or Schedule Options 1 or 2 SelectionTimer Start Time Timer SettingsSet theTimer Stop Time Timer on ScenariosTimer OFF Scenarios Timer Schedule Control BlockRemote Control Operation Remote Control Operation Unit Operation Front PanelElectronic Control Sequence of Operation Compressor OperationHeating Mode Control Operation Heat Control Heat Pump OnlyHeat Pump With Electric Heat Operation ConditionElectric Heat Operation in Cool with Electric Heat Units Compressor Lock Out Time Using ModeRemoving the Front Cover Replacing the Indoor Coil Thermistor Swing OutAir flow direction adjustment Fresh air and exhaust controlComponents Testing Capacitor Check with Capacitor AnalyzerCapacitor Connections FAN MotorTesting the Heating Element Electric Shock Hazard Heating ElementHeating Element Heat Pump Models Drain PAN ValveUser Interface Control Board Refrigeration Sequence of Operation 410A Sealed System Repair Considerations Refrigeration system under high pressure410A Sealed Refrigeration System Repairs Refrigerant ChargingFreeze Hazard Method Of Charging / RepairsBurn Hazard Undercharged Refrigerant Systems Overcharged Refrigerant SystemsRestricted Refrigerant System Hermetic Components Check Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION Testing the Reversing Valve Solenoid Coil Reversing Valve in Heating ModeExplosion Hazard Procedure For Changing Reversing ValveTouch Test in Heating/Cooling Cycle Single Phase Connections Single Phase Running and L.R.A. TestLocked Rotor Voltage L.R.V. Test Determine L.R.VChecking Compressor Efficiency Single Phase Resistance TestGround Test Recommended procedure for compressor replacement High TemperaturesHigh Pressure Hazard Routine Maintenance Clearances Sleeve / DrainDecorative Front Cover Filter assembly Heat pumps operate differently Condensation is normalFrosting NoisesIf you require further assistance Our specialists are able to assist you withDC-2 Drain Kit Part No Carbon Filter KitsSee codes chart on next Error Codes and Alarm Status Test Mode Temp Room AIR Conditioner Unit Performance Test Data Sheet HOW is ALL of the INSTALLATION? Good BADJOB Name Techs Name = SQ/CU/FTTroubleshooting Tips Problem Possible Cause Possible SolutionTroubleshooting Tips Cooling only Room AIR Conditioners Troubleshooting Tips Replace fuse, reset breaker. If repeats, check Possible Cause Possible Solution Problem Possible Cause Possible Solution Heat / Cool only Room AIR Conditioners Troubleshooting Tips Heat Pump Room AIR Conditioners Trouble Shooting Tips Problem Possible Cause ActionSystem Cools When Heating is Desired YESNormal Function of Valve Malfunction of ValveElectronic Control Board Components Identification Friedrich Electronic Control KIT Friedrich Model Prefix ContentsProcedure Schematic Part NO. REV 92170013 Kϋhl Electronic Control Cool only Models SL36N30-A Wiring Diagram Wiring Diagram 92170015 92170016 Kϋhl Electronic Control Heat Pump model YL24N35-A Need to Configure it. Follow the steps below to configure Air Conditioner Message Remote Control MessageAir Conditioning Unit Display Remote Control Display Replacement Instructions Parts Section Parts Section Kühl & Kühl+ Small-Chassis 2012 Parts List SHROUD, SML Kühl & Kühl+ Medium-Chassis 2012 Parts List SHROUD, MED Kühl & Kühl+ Large-Chassis 2012 Parts List Deck LRG Addendum Schedule Table with Energy Saving ValuesRoom AIR Conditioners Limited Warranty AAA Refrigeration Service Customer Satisfaction and Quality AssuranceFriedrich AIR Conditioning CO

SM18N30*, SS10N10*, SS15N30*, SS12N10*, SS14N10* specifications

Friedrich air conditioners, particularly models SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30*, are renowned for their reliable performance, innovative technologies, and user-friendly features. Designed for both residential and commercial use, these units stand out due to their energy efficiency, advanced cooling capabilities, and versatile operation.

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In terms of design, models like SS10N10* prioritize aesthetics without compromising functionality. They feature sleek, modern designs that seamlessly integrate into various decors, whether in a home or an office. Additionally, quiet operation technology reduces noise levels during functionality, enhancing comfort, particularly in bedrooms or quiet office environments.

Overall, Friedrich’s SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30* models embody the brand's commitment to innovation and customer satisfaction. Their blend of energy efficiency, advanced cooling technology, air quality enhancement, and smart controls positions them as leaders in the air conditioning market, catering to diverse cooling needs while promoting a sustainable future.