Boosted Board Error Codes 3 Flashing Lights

Check out this list of error codes and find out what’s wrong with your Liftmaster garage door opener. To begin with, count the number of flashes (separately up and down). Now, you can refer to the table below and learn how to troubleshoot the device depending on the symptom.

Codes

Boosted Board Error Codes 3 Flashing Lights 2017

Liftmaster 8550 Garage Door Opener Error Codes

UP DOWNSYMPTOMCAUSERESOLUTION
1 flash1 flashThe garage door opener will not close and the light(s) will flashSafety sensors are not installed, connected, or wires may be cutInspect sensor wires for a disconnected or cut wire(s). If the sending sensor with the amber LED is NOT lit, check the wire and connections for that sensor. If sending sensor LED is lit, check the wire connections leading to the receiving sensor (green LED). Reattach wire or replace wire (22 gauge wire) as needed. If pre-wired home, check the splices. Close the garage door using the remote control or the door control.
1 flash2 flashThe garage door opener will not close and the light(s) will flashSafety sensor wire shorted or reversedInspect sensor wire for incorrect wiring or a pinched wire. If the sending sensor (amber LED) is not lit, check the wire leading to and from that sensor. Check staple points. If sending sensor LED is lit, check the wire leading to the receiving sensor (green LED). Reattach wire or replace wire (22 gauge wire) as needed. If pre-wired home, check the splices. Close the garage door using the remote control or the door control.
1 flash3 flashWall-mounted door control will not functionThe wires for the door control are shorted or the door control is faultyInspect door control wires for a short (staple in wire), replace wire (22 gauge wire) as needed. After installing new door control wires, if door control still does not operate garage door opener, replace the door control.
1 flash4 flashThe garage door opener will not close the door and the light(s) flashMisaligned or obstructed safety sensorsRealign the receiving sensor (green LED) by ensuring the LED is steady and not flickering. A flicker of the safety sensor LED indicates a misalignment. Make sure nothing is hanging or mounted on the door interrupting the sensor’s path while closing. Close the garage door using the remote control or the door control.
1 flash5 flashThe garage door opener clicks but no movementBad logic boardReplace the logic board.
The opener runs approximately 6-8” and stops and/or reversesCommunication error to travel moduleDisconnect all power, remove cover, and locate the travel module. Ensure the wires for travel module are connected, if wires are connected, then replace the travel module.
May 20, 2019

Variable Speed AccuLink Heat Pumps and Air Conditioners. Variable Speed Alert Codes;

A Rapidly Flashing Light. Another common light to be aware of on your Trane furnace is a light that flashes very rapidly. This code is the exact opposite of the slow flashing light code, and means that your Trane furnace is turned on and that it is presently calling for heat. The Trane XV90 furnace is a two-stage condensing furnace fueled by natural or propane gas that is available in upflow or horizontal positioning. The furnace has a variable speed inducer and a variable speed blower and is designed for residential use.

Alert CodeAlert Group
18Control Failure
67Temp Sensor Fault
68Defrost Fault
80High Pressure Monitor Fault
80High Pressure Monitor Fault
88Ground fault
90Communication Busy Fault
91Communication Fault
106
External Shutdown Fault
114Bad or Missing PM
155Outdoor EEV Motor Fault
156System Low Charge Fault
159Unit Bus Fault
164Outdoor EEV Valve Migrated Open or Closed
165Low Superheat Error
166Low Superheat Error
172Key fault
174Suction Pressure Sensor Fault
175Limp Along Mode
176Modbus Communication Failure
177Drive Current Failure
178DC Voltage Failure
179Power Module Temperature Failure
180Supply Voltage Failure
181Gate Drive Failure-Motor Phase Loss Detection-Stall Detection-ADC Supply Range exceeded
182Startup Algorithm Fault
183Shutdown Algorithm Fault
184Protection Algorithm Fault
185Protection Derating Fault
186MOC Protection Derating Fault
187Evacuation Mode
188Storage Load Failure-State Failure-Bad Configuration-Voltage VCC Low
189Control Board Temperature High

American Standard Furnace Error Codes Flashes

Integrated Furnace Control Red Led “Error” Flash Codes

2 Flashes: System Lockout (Retries or Recycles exceeded)

3 Flashes: Draft Pressure Error – Possible problems: a) Venting problem b) Pressure switch problem c) Inducer problem


4 Flashes: Open Temperature Limit Switch

5 Flashes: Flame sensed when no flame should be present

6 Flashes: 115 volt AC power reversed, ignitor (Triac) fault, poor grounding or system voltage too low

7 Flashes: Gas valve circuit error

8 Flashes: Low flame sense

Boosted Board Error Codes 3 Flashing Lights Light

9 Flashes: Open Inducer Limit switch

10 Flashes: Inducer communication error

Solid: Internal GV error or Low TH voltage

Solid Red w/Solid Green “STATUS” LED: Continuous Reset caused by a blown fuse or internal error.

Fault Code Recovery

On power up, last 4 faults, if any, will be flashed on the red LED. The newest fault detected will flash first and the oldest last. There will be a 2 second delay between fault code flashes. Solid red LED error codes will not be displayed. The Green LED will be on solid during last fault recovery. At any other time the control is powered, the Green LED indicator light will operate as shown in Table 14 and the red LED will flash LitePort data (one flash) every 20 seconds.

Boosted Board Error Codes 3 Flashing Lights 1

Fault Code Reset

The last 4 fault codes can be erased from memory by powering up the control with “G” energized and then applying “R” to the “W1” terminal 3 times within 6 seconds. The control will acknowledge the reset by turning on the red LED for 2 seconds.

Boosted Board Error Codes 3 Flashing Lights 2


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