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Service Settings

–

Wireless Remote RG10

(end)

Service Settings are only accessible through the wireless remote
control.

Default Values for Service Settings

Automatic Airflow Adjustment

d4 N/A N/A N/A

N/A

As of 5/2021 The RG10 Remote Service Manual has not been released.

4C

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Содержание 38MGRQ30D 3 Series

Страница 1: ...Carrier Bryant Ductless Service Manual Carrier Enterprise Pub Date 6 25 2021...

Страница 2: ...15 40MBQ Ducted Fan Error E4 E5 17 40MAQ High Wall Sensor Error 40MBD Ducted Sensor Error 40MBQ Ducted Sensor Error 40MBC Cassette Sensor Error 40MBF Floor Ceiling Sensor Error F1 F2 F3 20 38MAQB Outd...

Страница 3: ...n 37 Service Settings Wireless Remote RG10 39 Service Settings Wireless Remote RG57 41 Service Settings Wireless Remote RG66 Outdoor Unit PCB Removal Procedures 43 38MARBQ12AA1 Outdoor Units 38MARBQ09...

Страница 4: ...Recycle power and try system again Give the system a minimum of 10 minutes for error to appear again If error appears again go to the flow chart for the error displayed and work the error Things to c...

Страница 5: ...output of the equipment Size of the head and the BTU requirements of the space it is located within In some cases the Heating or Cooling Compensation setting can be adjusted to help off set the temper...

Страница 6: ...have A Megger This is crucial for checking out a compressor An Ohm meter is useful but a Megger is essential Conductive Grease This is needed when replacing some of the PCB s in the outdoor units This...

Страница 7: ...ormally closed contacts The switch can break L1 or L2 do not break S If E1 still present turn power OFF and disconnect the field supplied S or 3 wire from both ends Reapply power and check for induced...

Страница 8: ...nate from approximately 50 Volts to 50 Volts If your meter has a MIN MAX setting we recommend using this It can quickly show you the top and bottom of the alternating range Replace Indoor PCB Check th...

Страница 9: ...nsion valve coil Main PCB For some models outdoor PCB cannot be removed separately In these cases the entire outdoor electric control box should be replaced as a whole Parts breakdown shows this infor...

Страница 10: ...r system restarted If after parts replacement error is still displayed contact your local CE Technical Support Rep Is there standing water in drain pan No Yes No Is drain line for clogged Yes Replace...

Страница 11: ...ooting E3 error on a MAQ will lock out the system and display E3 until error is fixed or system restarted Free up replace any broken parts so fan spins freely Shut OFF the power supply Rotate the Indo...

Страница 12: ...n 3 40MAQ High Wall 208 220 Volt Indoor Units Was PINs 1 3 voltage between 280 380VDC Was PINs 4 3 voltage between 14 17 5VDC 120 Volt Indoor Units Was PINs 1 3 voltage between 140 190VDC Was PINs 4 3...

Страница 13: ...tact your local CE Technical Support Rep Free up replace any broken parts so fan spins freely Shut OFF the power supply Rotate the Indoor fan by hand Does the fan rotate freely No Yes Yes No Check fan...

Страница 14: ...verter PCB is under Main PCB Turn OFF power to outdoor unit Remove 2 screws underneath and carefully lean out top assembly to change Inverter PCB Reactor 40MBDQ09 58 3 Ducted Indoor Fan Error E3 page...

Страница 15: ...tact your local CE Technical Support Rep Free up replace any broken parts so fan spins freely Shut OFF the power supply Rotate the Indoor fan by hand Does the fan rotate freely No Yes Yes No Check fan...

Страница 16: ...utdoor unit before Serving Fan Inverter Driver PCB is located in Blower section of the indoor unit Indoor Fan Error E3 page 2 of 2 Reactor 40MBQB09 48 3 Ducted Access through back return of unit Fan I...

Страница 17: ...still displayed contact your local CE Technical Support Rep Check the connection between the temperature sensor and the PCB No Measure the sensor s resistance value Charts on next 3 pages Yes Is it p...

Страница 18: ...If the resistance value is close to the chart consider the sensor good Sensor Error E4 E5 page 2 of 3 MAQ High Wall MBD MBQ Ducted MBF Floor MBC Cassette Continued on next page...

Страница 19: ...Temperature Sensor Resistance Value Table for Return Air T1 Evap Coil T2 Sensor Error E4 E5 page 3 of 3 MAQ High Wall MBD MBQ Ducted MBF Floor MBC Cassette...

Страница 20: ...ts replacement error is still displayed contact your local CE Technical Support Rep Check the connection between the temperature sensor and the PCB No Measure the sensor s resistance value Charts on n...

Страница 21: ...If the resistance value is close to the chart consider the sensor good Sensor Error F1 F2 F3 page 2 of 4 38MAQB18 48K 38MAQB09 36R 3 38MARBQ09 36AA3 Outdoor Units Continued on next page...

Страница 22: ...Temperature Sensor Resistance Value Table for Outdoor Ambient T4 Cond Coil Temp T3 Sensor Error F1 F2 page 3 of 4 38MAQB18 48K 38MAQB09 36R 3 38MARBQ09 36AA3 Outdoor Units Continued on next page...

Страница 23: ...Temperature Sensor Resistance Value Table for Compressor Discharge Sensor TP T5 Sensor Error F3 page 4 of 4 38MAQB18 48K 38MAQB09 36R 3 38MARBQ09 36AA3 Outdoor Units...

Страница 24: ...Display F5 Dr Smart Display Debugger E7 E71 Malfunction decision conditions When the Outdoor fan speed is too slow 300 RPM or less for 3 minutes or more the unit stops and the LED displays the Error...

Страница 25: ...8 220 Volt Outdoor Units Was PINs 1 3 voltage between 280 380VDC Was PINs 4 3 voltage between 14 17 5VDC 120 Volt Outdoor Units Was PINs 1 3 voltage between 140 190VDC Was PINs 4 3 voltage between 14...

Страница 26: ...an motor faulty PCB faulty Free up replace any broken parts so fan spins freely Shut OFF the power supply Rotate the Indoor fan by hand Does the fan rotate freely No Yes Dr Smart Display For Instructi...

Страница 27: ...upply Rotate the Indoor fan by hand Does the fan rotate freely No Yes Replace fan motor and Control Box Assembly or Main PCB Dr Smart Display For Instructions on how to change Control Box or Main PCB...

Страница 28: ...oubleshooting Error is only displayed every 3 minutes during this time you may see either normal display or 88 on indoor unit or wired control Follow the 1st Steps for DLS Troubleshooting in the begin...

Страница 29: ...ests is to isolate the reactor either by removing the wires directly from the Reactor or separating the wire harness if available Different styles of Reactors in Ductless Equipment Test 1 Ohm between...

Страница 30: ...tach Red Lead to one of the three terminals Select M Scale Press and hold the Test Button until test completes If 20M or higher it s good Between 10 20M it s going bad Less than 10M Open or Continuity...

Страница 31: ...hming a Compressor No combination should equal 0 or Open All combinations should show a resistance value and each of the three values should be very close to each other Blue Black Red 1 2 3 Blue Red B...

Страница 32: ...codes each time the SW1 is pressed For the last error code press 45 times Error code will display on the digital display For information on what the other codes can tell you see next page Continued on...

Страница 33: ...38MGR Diagnostic Codes...

Страница 34: ...0MBCQ 6C 2C Floor Console Underceiling 40MBFQ 0C 2C Default Indoor Unit Compensation Settings Values 40MBA exempt due to built in 24 Volt Interface 24 Volt Interface does not utilize F2 F7 settings to...

Страница 35: ...to 0C the entire swing moves down 2C 3 6F 0 9 0 5C 68 20C Set Point 73 72 5 22 5C Heat Mode High Wall F2 2C 4 5 2 5C Swing at Return Air Sensor T1 Return Sensor 71 6 22C 3 6 2C 40MHH 40MAHB 619AHB 40...

Страница 36: ...to 2C the entire swing moves down 2C 3 6F Cool Mode 40MAHB 40MPHA 619AHB 619PHA 7 2 4C Swing at Control Sensor 0 9 0 5C 73 72 5 22 5C 65 65 3 18 5C 6 3 3 5C T1 Return Sensor Set Point 72 71 6 22C F2...

Страница 37: ...MBA Air Handler 40MBDQ Ducted Units Only 1 Before using the service functions of the remote turn OFF the indoor unit with the remote 2 Remove batteries from Wireless Controller recycle power to system...

Страница 38: ...G10 end Service Settings are only accessible through the wireless remote control Default Values for Service Settings Automatic Airflow Adjustment d4 N A N A N A N A As of 5 2021 The RG10 Remote Servic...

Страница 39: ...r 40MBDQ Ducted Units Only 1 Before using the service functions of the remote turn OFF the indoor unit with the remote 2 Remove batteries from Wireless Controller recycle power to system and reinstall...

Страница 40: ...not listed in the Remote Service Manual Service Settings Wireless Remote RG57 end Service Settings are only accessible through the wireless remote control Default Values for Service Settings Automati...

Страница 41: ...batteries from Wireless Controller recycle power to system and reinstall batteries 3 Pointing the Wireless Controller at the Indoor unit s receiver simultaneously press MODE and TIMER ON for 5 second...

Страница 42: ...Service Settings Wireless Remote RG66 end Service Settings are only accessible through the wireless remote control Default Values for Service Settings...

Страница 43: ...12K 120 220 Volt 18K Replace Entire Control Box Assembly Control Box Main PCB Removal page 1 of 3 Helpful Hint Take a picture or two of the wires to help when reinstalling Continued on next page 24K...

Страница 44: ...tdoor Units Open top cover of unit Remove all wires from side trays Control Box Main PCB Removal page 2 of 3 Continued on next page Turn Power OFF First PCB Removal for 9 12 18K Units Remove screws ho...

Страница 45: ...ect all wire harnesses Control Box Main PCB Removal page 3 of 3 PCB Removal for 9 12 18K Units Some connections have small keepers holding them in place these do not have to be reinstalled Use small s...

Страница 46: ...Removal page 1 of 5 Helpful Hint Take a picture or two of the wires to help when reinstalling 24K 30K 36K ONLY All Sizes 18K ONLY 24 30 36K Units have Inverter Cooling Assembly under Main PCB Attentio...

Страница 47: ...most have a short extension that you can separate instead of trying to disconnect directly from the PCB Turn Power OFF First Control Box Main PCB Removal page 2 of 5 Some connections have small keeper...

Страница 48: ...Units Open Top and front of Outdoor Unit left tab to remove cover Remove 6 screws circled in Green Remove wires from side trays PCB Removal for 24 30 36K Units Control Box Main PCB Removal page 3 of 5...

Страница 49: ...t done overheating can occur Carefully lift off from the back first working around the sides When is it colder outside the separation can be more difficult Disconnect any remaining connected wires as...

Страница 50: ...val for 24 30 36K Units Control Box Main PCB Removal page 5 of 5 Clean off old Conductive Grease and apply new before reassembling Some wires will be reused when replacing PCB Carrier Factory Authoriz...

Страница 51: ...oor Unit Open electrical connection top and front cover of unit Turn Power OFF First Inverter Main PCB Removal page 1 of 4 Helpful Hint Take a picture or two of the wires to help when reinstalling Con...

Страница 52: ...the Main PCB most have a short extension that you can separate instead of trying to disconnect directly from the PCB Remove Screw 1st Inverter Main PCB Removal page 2 of 4 Some connections have small...

Страница 53: ...38MAQB09 36R 3 Outdoor Unit Reach in and up to disconnect Red Black Yellow spade connections Remove Ground wire to Main PCB Inverter Main PCB Removal page 3 of 4 Continued on next page...

Страница 54: ...Carefully lift up from these two areas guiding the loose wires up and out at the same time Inverter Main PCB Removal page 4 of 4 Reverse steps to reinstall Inverter PCB Main PCB Some wires will be reu...

Страница 55: ...val page 1 of 3 38MAQB09 12 1 Outdoor Unit For Sizes 9K 12K 120 Volt Turn Power OFF First Helpful Hint Take a picture or two of the wires to help when reinstalling Open electrical connection and top c...

Страница 56: ...Main PCB Removal page 2 of 3 38MAQB09 12 1 Outdoor Unit Remove screws circled in Red Lift electrical box out carefully disconnecting wire harnesses along the way For Sizes 9K 12K 120 Volt...

Страница 57: ...Main PCB Removal page 3 of 3 38MAQB09 12 1 Outdoor Unit Reverse steps to reinstall Some wires will be reused when replacing PCB For Sizes 9K 12K 120 Volt...

Страница 58: ...l page 1 of 3 38MAQB09 12 3 Outdoor Unit For Sizes 9K 12K 208 230 Volt Turn Power OFF First Helpful Hint Take a picture or two of the wires to help when reinstalling Open electrical connection and top...

Страница 59: ...ain PCB Removal page 2 of 3 38MAQB09 12 3 Outdoor Unit For Sizes 9K 12K Remove screws circled in Red Lift electrical box out carefully disconnecting Compressor and Inductor wire harnesses along the wa...

Страница 60: ...Main PCB Removal page 3 of 3 38MAQB09 12 3 Outdoor Unit For Sizes 9K 12K Remove remaining wires harness in Blue Reverse steps to reinstall Some wires will be reused when replacing PCB...

Страница 61: ...and front cover of unit Inverter Main PCB Removal page 1 of 4 38MAQB18 30 3 Outdoor Unit For Sizes 18K 24K 30K Turn Power OFF First Helpful Hint Take a picture or two of the wires to help when reinst...

Страница 62: ...ading to the Inverter PCB see Blue Inverter Main PCB Removal page 2 of 4 38MAQB18 30 3 Outdoor Unit For Sizes 18K 24K 30K Inverter PCB Main PCB Disconnect compressor harness Some connections have smal...

Страница 63: ...uctive Grease and apply new before reassembling If this is not done overheating can occur Inverter Main PCB Removal page 3 of 4 For Sizes 18K 24K 30K 38MAQB18 30 3 Outdoor Unit Factory Authorized Part...

Страница 64: ...Remove wires first then carefully push tabs out holding the PCB to release it Inverter Main PCB Removal page 4 of 4 For Sizes 18K 24K 30K 38MAQB18 30 3 Outdoor Unit...

Страница 65: ...38MGR30 Outdoor Unit Open electrical connection top and front cover of unit Turn Power OFF First Control Box Main PCB Removal page 1 of 5 Continued on next page PCB Removal for 30K Units...

Страница 66: ...ses most have a short extension that you can separate instead of trying to disconnect directly from the PCB Remove the one screw shown in Red Control Box Main PCB Removal page 2 of 5 Continued on next...

Страница 67: ...ion Valve making note A to D Right to Left Remove PCB Ground wire from screw Carefully lift up from these two areas guiding the loose wires up and out at the same time 38MGR30 Outdoor Unit Control Box...

Страница 68: ...oor Unit Control Box Main PCB Removal page 4 of 5 PCB Removal for 30K Units When the PCBs are lifted up a little disconnect the Fan wires making note A to D Front to Back Also at this point disconnect...

Страница 69: ...ol Box Main PCB Removal page 5 of 5 PCB Removal for 30K Units Also at this point disconnect the Red Black wires going to L1 L2 Reverse steps to reinstall Some wires will be reused if replacing either...

Страница 70: ...This guide was made by Carrier Northeast Technical Services Department Information within is subject to change...

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