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SERVICE MANUAL
PPC90 / TSC90
1
8390-017B
10/23

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Summary of Contents for Hearth & Home Pelpro PPC90

  • Page 1 SERVICE MANUAL PPC90 / TSC90 8390-017B 10/23...
  • Page 2: Table Of Contents

    Digital Control Pellet Stoves Service Guide DIGITAL CONTROL PELLET STOVES Table of Contents SEQUENCE OF OPERATION FOR STARTUP .................PAGE 6 SEQUENCE OF OPERATION FOR SHUTDOWN ................PAGE 7 WIRING DIAGRAM ..........................PAGE 8 CLEANING THE EXHAUST BLOWER ....................PAGE 37 EXHAUST PROBE INFORMATION ....................PAGE 38 HOW TO CLEAN THE CONVECTION BLOWER ................PAGE 39 FIRE POT CLEANING AND INSTALLATION ..................PAGE 40 HOW TO REMOVE AND CLEAN THE BAFFLES ................PAGE 41...
  • Page 3 Digital Control Pellet Stoves Service Guide PELPRO TROUBLESHOOTING MANUAL INTRODUCTION The purpose of this troubleshooting guide is to provide step by step procedures for diagnosing issues with the PelPRO PPC90 and TSC90. A digital or analog multimeter will be required for many of the troubleshooting steps in this guide. When troubleshooting with the multimeter, it’s important to disconnect the appliance from wall power while locating the electrical connections that need to be checked.
  • Page 4 Digital Control Pellet Stoves Service Guide COMPONENT LOCATIONS COMPONENT LOCATIONS PART LOCATIONS IGNITER FEED MOTOR The feed motor is located on the back of The igniter is located at the back of the unit towards the bottom. Removing the firebox in the middle. the rear screen and left side panel is the Removing the left access panel Screw location...
  • Page 5 Digital Control Pellet Stoves Service Guide ERROR CODE DEFINITIONS Error codes will look REFER TO MANUAL ERROR NR: 05 like this on the display Fuel Feed Alarm. Most likely the appliance ran out of fuel or the flames are adjusted Code #1 too low.
  • Page 6: Sequence Of Operation For Startup

    Digital Control Pellet Stoves Service Guide SEQUENCE OF OPERATION FOR STARTUP 1. Set the digital display to the desired temperature 9. Once stove establishes Proof of Fire the igniter will setting. turn off. 2. The combustion blower/exhaust blower will come on 10.
  • Page 7: Sequence Of Operation For Shutdown

    Digital Control Pellet Stoves Service Guide SEQUENCE OF OPERATION FOR SHUTDOWN 1. Stove temperature is met and display will read “Shutdown”. 2. Feed motor will turn off. 3. Combustion/Exhaust blower start the shutdown cycle and the blower will run at the max RPM. 4.
  • Page 8: Wiring Diagram

    Digital Control Pellet Stoves Service Guide WIRING DIAGRAM IGNITER VACUUM HOPPER SWITCH SWITCH FEED MOTOR EXHAUST BLOWER CONVECTION BLOWER NEUTRAL 110 V LINE SNAP DISC FUSE EXHAUST TEMPERATURE AMBIENT TEMPERATURE SERIAL PORT (SERVICE ONLY) THERMOSTAT (OPTIONAL) Back to Table of Contents PELPROSTOVES.COM 8390-017C •...
  • Page 9: Code #1: Fuel Feed Alarm

    Digital Control Pellet Stoves Service Guide CODE #1: FUEL FEED ALARM TO START: MAKE SURE THE FIRE POT IS CLEAN INCLUDING THE HOLES IN THE FIRE POT, MAKE SURE THE FIRE POT IS INSTALLED CORRECTLY (CLICK HERE OR SEE PG 40 FOR FIRE POT INSTALLATION).
  • Page 10: Common Troubleshooting Trim Adjustment Guide

    Digital Control Pellet Stoves Service Guide TRIM ADJUSTMENT GUIDE Adjusting Trim to the Adjusting Trim to the Negative Side Positive Side TRI M TRI M The Positive Side of the Trim Adjustment will increase The Negative Side of the Trim Adjustment will decrease the feed rate of the feed motor and decrease the RPM the feed rate of the feed motor and increase the RPM of of the exhaust blower on setting +1.
  • Page 11: Clearing An Auger Jam

    Digital Control Pellet Stoves Service Guide CLEARING AN AUGER JAM 1. Turn the stove 4. Once the auger off and make plate is removed sure the stove check the is completely auger for any shut down. After obstructions. the stove is After removing completely shut any obstructions...
  • Page 12: Code #2: Exhaust Probe Alarm

    Digital Control Pellet Stoves Service Guide CODE #2: EXHAUST PROBE ALARM TO START: LOCATE THE EXHAUST PROBE CONNECTION ON THE CONTROL BOARD. CLICK HERE OR SEE PG 38 FOR EXHAUST PROBE LOCATION PLUG THE PROBE IS THE WIRE PLUGGED UNPLUG THE PROBE, BACK INTO THE INTO THE CONTROL INSPECT THE...
  • Page 13: Code #3: Ambient Probe Alarm

    Digital Control Pellet Stoves Service Guide CODE #3: AMBIENT PROBE ALARM TECH TIP: THE AMBIENT PROBE SENSES THE TEMPERATURE IN THE ROOM. IF THE STOVE IS CYCLING ON AND OFF SOONER THAN EXPECTED, MOVE THE AMBIENT PROBE FURTHER AWAY FROM THE STOVE. TO START: LOCATE THE AMBIENT PROBE CONNECTION ON THE CONTROL...
  • Page 14: Code #4: Missed Ignition

    Digital Control Pellet Stoves Service Guide CODE #4: MISSED IGNITION TO START: MAKE SURE THE FIRE POT IS CLEAN INCLUDING THE HOLES IN THE FIRE POT, MAKE SURE THE FIRE POT IS INSTALLED CORRECTLY (CLICK HERE OR SEE PG 40 FOR FIRE POT INSTALLATION).
  • Page 15: Testing The Igniter For Ohms

    Digital Control Pellet Stoves Service Guide IGNITER TROUBLESHOOTING Testing for OHMS ( Ω ) This test will require a multimeter. For correct placement of igniter position see pg 39 or click here. 1. Turn the stove 4. Test the white off and make wires coming sure the stove...
  • Page 16: Testing Voltage To The Igniter

    Digital Control Pellet Stoves Service Guide TESTING VOLTAGE TO THE IGNITER This test will require a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 1. Turn the stove 5. Set the off and make multimeter sure the stove to VAC. VAC is completely stands for shut down.
  • Page 17: Code #5: Digital Display Communication Alarm

    Digital Control Pellet Stoves Service Guide CODE #5: DIGITAL DISPLAY COMMUNICATION ALARM TO START: WITH THE STOVE OFF AND UNPLUGGED MAKE SURE ALL THE CONNECTIONS ARE CONNECTED AND THERE ARE NO DAMAGED WIRES. PLUG THE STOVE BACK IN. IS THE TRY TO PUT THE IS THE DISPLAY COMMUNICATION...
  • Page 18: Code #7: Exhaust Over Temperature

    Digital Control Pellet Stoves Service Guide CODE #7: EXHAUST OVER TEMPERATURE TO START: MAKE SURE THE FIRE POT IS CLEAN INCLUDING THE HOLES IN THE FIRE POT, MAKE SURE THE FIRE POT IS INSTALLED CORRECTLY (CLICK HERE OR SEE PG 40 FOR FIRE POT INSTALLATION).
  • Page 19: Testing Voltage To The Convection Blower

    Digital Control Pellet Stoves Service Guide TESTING THE VOLTAGE TO THE CONVECTION BLOWER This test will require a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 1. Turn the stove 5. Plug the stove back in and set the stove on the HI off and make setting.
  • Page 20: Not Feeding Pellets

    Digital Control Pellet Stoves Service Guide NOT FEEDING PELLETS TO START: MAKE SURE THE FIRE POT IS CLEAN INCLUDING THE HOLES IN THE FIRE POT, MAKE SURE THE FIRE POT IS INSTALLED CORRECTLY (CLICK HERE OR SEE PG 40 FOR FIRE POT INSTALLATION).
  • Page 21: Testing The Hopper Lid Switch With A Multimeter

    Digital Control Pellet Stoves Service Guide TESTING THE HOPPER LID SWITCH WITH A MULTIMETER This test will be testing the Continuity shown by the Ohms symbol ( Ω ). 1. Turn the stove 5. Remove the off and make two wire on sure the stove the bottom of is completely...
  • Page 22: Testing The Vacuum Switch With A Multimeter

    Digital Control Pellet Stoves Service Guide TESTING THE VACUUM SWITCH WITH A MULTIMETER This test will be testing the Continuity shown by the Ohms symbol ( Ω ). 1. Turn the stove 5. Place the off and make multimeter in sure the stove the OHMS (Ω) is completely...
  • Page 23: Control Board Voltage Test For The Feed Motor

    Digital Control Pellet Stoves Service Guide CONTROL BOARD VOLTAGE TEST FOR FEED MOTOR This test will require a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 1. Turn the stove 5. Place the off and make multimeter leads sure the stove into the red and is completely white wire pins.
  • Page 24: Feed Motor Voltage Test

    Digital Control Pellet Stoves Service Guide FEED MOTOR VOLTAGE TESTING This test will require you a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 1. Turn the stove 5. Plug the stove back in and set the stove to PRIME. off and make The stove ill say FEEDING when in PRIME.
  • Page 25: Not Lighting The Fuel

    Digital Control Pellet Stoves Service Guide NOT LIGHTING THE FUEL TO START: MAKE SURE THE FIRE POT IS CLEAN INCLUDING THE HOLES IN THE FIRE POT, MAKE SURE THE FIRE POT IS INSTALLED CORRECTLY (CLICK HERE OR SEE PG 40 FOR FIRE POT INSTALLATION).
  • Page 26: Lazy Or Sooty Flames

    Digital Control Pellet Stoves Service Guide LAZY OR SOOTY FLAMES TO START: MAKE SURE THE FIRE POT IS CLEAN INCLUDING THE HOLES IN THE FIRE POT, MAKE SURE THE FIRE POT IS INSTALLED CORRECTLY (CLICK HERE OR SEE PG 40 FOR FIRE POT INSTALLATION).
  • Page 27: Power

    Digital Control Pellet Stoves Service Guide NO POWER This test will require a multimeter. TO START: CHECK THE WIRE CONNECTIONS GOING INTO THE CONTROL BOARD AND OTHER COMPONENTS FOR DAMAGE. CHECK THE WALL OUTLET FOR POWER THERE SHOULD BE ROUGHLY 115-120 VAC. REPLACE IS THERE 115-120V GOING THE POWER...
  • Page 28: Snap Disk Location And How To Reset

    Digital Control Pellet Stoves Service Guide SNAP DISK LOCATION AND HOW TO RESET THE SNAP DISK THE SNAP DISK IS LOCATED ON THE LEFT SIDE A THE STOVE WHEN YOU LOOK AT THE STOVE. IT IS LOCATED ON THE DROP AUGER TUBE.
  • Page 29: Fuse Location And How To Check The Fuse

    Digital Control Pellet Stoves Service Guide FUSE LOCATION AND HOW TO CHECK THE FUSE THE FUSE IS LOCATED ON THE CONTROL BOARD. THE CONTROL BOARD IS LOCATED ON THE RIGHT SIDE OF THE STOVE. IT IS MOUNTED ON THE BACK INSIDE PANEL OF THE STOVE.
  • Page 30: Power Tracing

    Digital Control Pellet Stoves Service Guide POWER TRACING TROUBLESHOOTING This test will require a multimeter. MAKE SURE THE DOES THE WALL OUTLET FOR POWER. ROUGHLY 115-120 VAC BREAKER IS NOT (VOLTAGE IN ALTERNATING CURRENT) IS REQUIRED. IF THE TRIPPED. MAKE SURE MULTIMETER PINS CAN NOT FIT INT HE OUTLET PROPERLY THE OUTLET IS WIRED CHECK THE POWER AT THE END OF THE POWER CORD THAT...
  • Page 31: Testing The Snap Disk For Power

    Digital Control Pellet Stoves Service Guide TESTING THE SNAP DISK FOR VOLTAGE This test will require a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 5. Select which side of the snap disk to test first. Both 1. Turn the stove off and make sure the stove is completely shut down.
  • Page 32: Control Board Power Test

    Digital Control Pellet Stoves Service Guide CONTROL BOARD POWER TESTING This test will require a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 1. Turn the stove off and makes sure the stove is 4. Locate the wire completely shut down. The stove will need to remain clip that contains plugged IN.
  • Page 33: Convection Blower Not Coming On

    Digital Control Pellet Stoves Service Guide CONVECTION BLOWER NOT COMING ON TO START: CLEAN THE CONVECTION BLOWER(CLICK HERE OR SEE PG. 39 FOR CLEANING INSTRUCTIONS) AND MAKE SURE IT SPINS FREELY. AFTER CLEANING THE BLOWER APPLY HEAT TO THE EXHAUST PROBE. APPLY HEAT WITH A HEAT GUN TO TRIGGER THE EXHAUST PROBE (CLICK HERE OR SEE PG.
  • Page 34: Exhaust Blower Not Coming On

    Digital Control Pellet Stoves Service Guide EXHAUST BLOWER NOT COMING ON TO START: MAKE SURE THE EXHAUST BLOWER IS CLEAN (CLICK HERE OR SEE PG. 37 FOR CLEANING INSTRUCTIONS) AND ABLE TO SPIN FREELY. ALSO MAKE SURE THE STOVE HAS POWER AND IS NOT IN THE OFF POSITION. CHECK THE BLOWER WIRES SYSTEM...
  • Page 35: Exhaust Blower Voltage Test

    Digital Control Pellet Stoves Service Guide EXHAUST BLOWER VOLTAGE TESTING This test will require a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 1. Turn the stove 5. Set the off and make multimeter sure the stove to VAC. VAC is completely stands for shut down.
  • Page 36: Vacuum Switch Voltage Test

    Digital Control Pellet Stoves Service Guide VACUUM SWITCH VOLTAGE TEST This test will require a multimeter. WHEN TESTING ELECTRICITY PLEASE USE CAUTION. 1. Turn the stove 4. Set the off and make multimeter sure the stove to VAC. VAC is completely stands for shut down.
  • Page 37: Cleaning The Exhaust Blower

    Digital Control Pellet Stoves Service Guide CLEANING THE EXHAUST BLOWER 1. Turn the stove 4. Loosen the 6 off and make screws holding sure the stove the blower motor is completely onto the blower shut down. After housing. You the stove is do not need to completely shut fully remove the...
  • Page 38: Exhaust Probe Information

    Digital Control Pellet Stoves Service Guide EXHAUST PROBE INFORMATION NOTE: 1. Turn the stove off and make If the probe is loose from the bracket or dirty it can cause sure the stove the stove to not operate correctly. Also if there is ash build is completely up in the exhaust chamber it could also effect the way the shut down.
  • Page 39: How To Clean The Convection Blower

    Digital Control Pellet Stoves Service Guide CLEANING THE CONVECTION BLOWER 1. Turn the stove 5. Use a paint off and make brush or sure the stove compressed is completely air to clean the blower. You can shut down. After the stove is not take the completely shut blower apart.
  • Page 40: Fire Pot Cleaning And Installation

    Digital Control Pellet Stoves Service Guide FIRE POT CLEANING AND PROPER INSTALLATION 1. Turn the stove 4. With the scraper off and make tool scrap out sure the stove any ash build up is completely on the fire pot. shut down. After Also make sure the stove is the holes in the...
  • Page 41: How To Remove And Clean The Baffles

    Digital Control Pellet Stoves Service Guide CLEANING THE BAFFLES 1. Turn the stove 5. Use scraper to off and make scrap any ash sure the stove build up on the is completely back wall and shut down. After on the panels. the stove is Then use a completely shut...
  • Page 42: Ambient Probe Information

    Digital Control Pellet Stoves Service Guide AMBIENT PROBE INFORMATION THE AMBIENT PROBE IS LOCATED ON THE BACK LOWER RIGHT SIDE OF THE STOVE. IT IS A SMALL RUBBER END ON ABOUT A 3’ WIRE. IT TELLS THE STOVE WHEN TO KICK ON AND OFF BY SENSING THE TEMPERATURE OF THE ROOM AIR.
  • Page 43: Igniter Placement Information

    Digital Control Pellet Stoves Service Guide IGNITER PLACEMENT 1. Turn the stove 4. Make sure the off and make igniter is sitting sure the stove centered in the is completely igniter chamber shut down. After and back about the stove is 1/4 inch.

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