Pelpro PPC90 Service Manual
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Pelpro PPC90 Service Manual

Pelpro PPC90 Service Manual

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SERVICE MANUAL
PPC90 / TSC90
1
8390-017A
06/21

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Summary of Contents for Pelpro PPC90

  • Page 1 SERVICE MANUAL PPC90 / TSC90 8390-017A 06/21...
  • Page 2 PPC90/TSC90 Service Parts Beginning Manufacturing Date: July 2016 Ending Manufacturing Date: Active PPC90 TSC90 Part number list on following page. 06/21 8390-017A 06/21...
  • Page 3 PPC90/TSC90 Service Parts Beginning Manufacturing Date: July 2016 Pellet Stove Ending Manufacturing Date: Active IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts for Stocked your appliance please provide model number and serial number. at Depot ITEM DESCRIPTION...
  • Page 4 PPC90/TSC90 Service Parts Beginning Manufacturing Date: July 2016 Ending Manufacturing Date: Active #10 Door Assembly 10.1 10.2 10.3 10.4 10.5 IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts for Stocked your appliance please provide model number and serial number.
  • Page 5 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 6 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 best way to access the motor.
  • Page 7 Operation Flow Chart START UP 11:59 1: Set user interface to desired temperature. ROOM:68 SET: 72 2: Exhaust blower turns on. 3: Igniter turns on. 4: Vacuum switch closes. 5: Feed motor will turn on after the 1 min igniter preheat sequence expires.
  • Page 8 Feed Rates: (7 Second Cycle) PPC90/TSC90 Power Level 1: 0.9 sec “on time” 11: A bar graph in the top right corner of the display will Power Level 2: 1.5 sec “on time”...
  • Page 9 Operation Flow Chart 13: Feed motor turns off. 14: Exhaust blower starts the shutdown cycle. Blower will run at maximum rpm. 15: Fire goes out in the firepot. Appliance will continue to cool. 16: Exhaust probe drops below 140 degrees and shuts the convection blower off.
  • Page 10 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. Exhaust Temperature is above or below the acceptable range. Exhaust probe has Code #2 failed or the flames need to be adjusted.

  • Page 11: Table Of Contents

    Troubleshooting ALARM CODE T/S CHART Code #1: Fuel Feed Alarm ............. . Page 18 Code #2: Exhaust Probe Alarm.

  • Page 12: Convection Blower Not Coming On

    CONVECTION BLOWER TROUBLESHOOTING WARNING ELECTRICAL HAZARD: UNIT MUST BE CONNECTED TO POWER SOME TROUBLESHOOTING STEPS. DO NOT ALLOW ENERGIZED CONNECTIONS TO TOUCH UNIT BODY OR EXPOSED SKIN. APPLY HEAT TO EXHAUST SENSOR IS THE EXHAUST PROBE SENSOR CHECK IS THE SECURED TO THE BLOWER WIRE BLOWER...
  • Page 13 CONVECTION BLOWER TROUBLESHOOTING CONVECTION BLOWER TEST POINTS FOR CHECKING VOLTAGE CONVECTION BLOWER VOLTS RANGE: 63VAC TO 114VAC (+/- 5VAC) Convection blower range changes depending on power level. 8390-017A 06/21...

  • Page 14: Code #7: Exhaust Over Temperature

    CODE #7: EXHAUST OVER TEMPERATURE CHECK TO MAKE SURE THE FIREBOX AREA, EXHAUST PIPE AND FIREPOT IS CLEAN. CHANGE TO IS APPROVED APPROVED FUEL FUEL BEING USED IN AND RESTART THE APPLIANCE? APPLIANCE. IS THE FUSE IN THE CONTROL BOARD GOOD? UNPLUG THE APPLIANCE AND REMOVE FUSE FROM...
  • Page 15 CODE #7: EXHAUST OVER TEMPERATURE TEST POINT EXHAUST TEMP PROBE AT ROOM TEMPERATURE, THE EXHAUST PROBE WILL READ AROUND 100K OHMS. AS HEAT IS APPLIED TO THE PROBE, THE OHMS READING WILL CONTINUE TO GET SMALLER. 8390-017A 06/21...

  • Page 16: Lazy Or Sooty Flames

    LAZY OR SOOTY FLAMES CHECK TO MAKE SURE THE FIREBOX AREA, BAFFLES, EXHAUST PIPE AND FIREPOT IS CLEAN. CHANGE TO IS APPROVED APPROVED FUEL FUEL BEING USED IN AND RESTART THE APPLIANCE? APPLIANCE. IS THE FUSE IN THE CONTROL BOARD GOOD? UNPLUG THE APPLIANCE AND REMOVE FUSE FROM...
  • Page 17 LAZY OR SOOTY FLAMES 1. Clean Firepot and Baffles 3. Clean the Exhaust Blower. (Refer to Owner’s manual for more instructions) BAFFLES BAFFLES FIREPOT FIREPOT 2. Clean the Vent System Rain Cap 12 in [305 mm] Flashing Minimum above roof penitration Firestop Ceiling Support...

  • Page 18: Alarm Code

    CODE #1: FUEL FEED ALARM UNPLUG APPLIANCE, CLEAN FIREPOT AND MAKE SURE FIREPOT IS INSTALLED CORRECTLY, CLEAN FIREBOX AREA, FILL HOPPER, PLUG APPLIANCE BACK IN, PRIME FEED TUBE IF NEEDED AND TURN APPLIANCE ON. IS THE MAKE SURE AUGER AFTER A FEW THE HOPPER FEEDING MINUTES, DID A...
  • Page 19 CODE #1: FUEL FEED ALARM 1. Check to see if the Hopper is empty Hopper Lid Switch Dial Control Serial Number (Back Side) Inside Stove Body: - Snap Disc Ambient Probe - Vacuum Switch (Back Side) - Convection Blower - Exhaust Blower Baffles (3) Drop Tube - Exhaust Probe...

  • Page 20: Code #4: Missed Ignition

    CODE #4: MISSED IGNITION UNPLUG APPLIANCE, CLEAN FIREPOT AND MAKE SURE FIREPOT IS INSTALLED CORRECTLY, CLEAN FIREBOX AREA, CLOSE FIREBOX DOOR, FILL HOPPER, PLUG APPLIANCE BACK IN AND TURN APPLIANCE ON. IS THE AUGER MAKE SURE AFTER A FEW FEEDING THE HOPPER MINUTES, DID A PELLETS INTO...
  • Page 21 CODE #4: MISSED IGNITION IGNITER TROUBLESHOOTING VOLTAGE TEST POINTS IGNITER VOLTAGE TEST POINTS IGNITER SPECS: 300W /// 115 VAC RESISTANCE: 48 OHMS 8390-017A 06/21...

  • Page 22: Code #3: Ambient Probe Alarm

    CODE #3: AMBIENT PROBE ALARM TECH TIP: THE PROBE WILL SENSE TEMPERATURE IN THE ROOM. IF THE APPLIANCE IS CYCLING TOO MUCH, MOVE THE PROBE FARTHER AWAY FROM THE APPLIANCE. LOCATE THE AMBIENT PROBE CONNECTION ON THE CONTROL BOARD UNPLUG PLUG THE THE PROBE, PROBE BACK...
  • Page 23 CODE #3: AMBIENT PROBE ALARM TEST POINT AMBIENT TEMP PROBE AT ROOM TEMPERATURE, THE EXHAUST PROBE WILL READ AROUND 100K OHMS. AS HEAT IS APPLIED TO THE PROBE, THE OHMS READING WILL CONTINUE TO GET SMALLER. 8390-017A 06/21...

  • Page 24: Code #2: Exhaust Probe Alarm

    CODE #2: EXHAUST PROBE ALARM LOCATE THE EXHAUST PROBE CONNECTION ON THE CONTROL BOARD UNPLUG THE PLUG THE PROBE, INSPECT IS THE WIRE PROBE BACK THE CONNECTION PLUGGED INTO INTO THE & CHECK ENTIRE THE BOARD? CONTROL BOARD. WIRE FOR DAMAGE DID THE MAKE THE REPAIR...
  • Page 25 CODE #2: EXHAUST PROBE ALARM TEST POINT EXHAUST TEMP PROBE AT ROOM TEMPERATURE, THE EXHAUST PROBE WILL READ AROUND 100K OHMS. AS HEAT IS APPLIED TO THE PROBE, THE OHMS READING WILL CONTINUE TO GET SMALLER. 8390-017A 06/21...

  • Page 26: Not Lighting The Fuel

    NOT LIGHTING THE FUEL UNPLUG APPLIANCE, CLEAN FIREPOT AND MAKE SURE FIREPOT IS INSTALLED CORRECTLY, CLEAN FIREBOX AREA, FILL HOPPER, PLUG APPLIANCE BACK IN AND TURN APPLIANCE ON. IS THE AFTER A FEW REPLACE MINUTES, DID A IGNITER GETTING FIRE START? HOT? IGNITER MAKE THE REPAIR...
  • Page 27 NOT LIGHTING THE FUEL 1. Check Igniter 2. Check Firepot Position 8390-017A 06/21...

  • Page 28: Exhaust Blower Not Coming On

    EXHAUST BLOWER NOT COMING ON REPLACE CLEAN THE EXHAUST EXHAUST BLOWER AND MAKE SURE BLOWER IT SPINS FREELY ARE WIRES PLUGGED INTO RECONNECT WIRES THE BLOWER? DOES BLOWER CONNECT MULTIMETER IN REPLACE VAC TO WIRE TEST PORTS CONTROL SHOWN ON THE NEXT PAGE. BOARD DOES THE METER SHOW AT LEAST 100 VAC?
  • Page 29 EXHAUST BLOWER NOT COMING ON EXHAUST BLOWER TEST POINTS TEST POINTS EXHAUST TEMP PROBE 8390-017A 06/21...

  • Page 30: Not Feeding Pellets

    NOT FEEDING PELLETS UNPLUG APPLIANCE, CLEAN FIREPOT AND MAKE SURE FIREPOT IS INSTALLED CORRECTLY, CLEAN FIREBOX AREA & CHIMNEY PIPE, FILL HOPPER, PLUG APPLIANCE BACK IN AND TURN APPLIANCE ON. CLOSE THE HOPPER LID OPEN HOPPER LID, PRESS HOPPER LID DOES AUGER SWITCH DOWN WITH FEED PELLETS...
  • Page 31 NOT FEEDING PELLETS FEED MOTOR TEST POINTS VACUUM SWITCH WHITE HOPPER SWITCH HOPPER SWITCH IS CLOSED WHEN THE HOPPER LID IS CLOSED. VACUUM SWITCH IS CLOSED WHEN THE EXHAUST BLOWER IS ON. FEED MOTOR RUNS ON 115 VAC. ALL CIRCUITS MUST BE CLOSED FOR THE FEED MOTOR TO WORK. 8390-017A 06/21...

  • Page 32: Code #5: Digital Display Communication Alarm

    CODE #5: DIGITAL DISPLAY ALARM REFER TO MANUAL ERROR NR: 05 PLUG APPLIANCE IN PUT INTO A START-UP. IS IS THE DISPLAY THE START TIME LIGHTING UP? HIGHER THAN 12 MINUTES? REPLACE THE CONTROL BOARD IS THE CONTROL CABLE CONNECTED TO REINSTALL OR THE BOARD? REPLACE THE CABLE...
  • Page 33 CODE #5: DIGITAL DISPLAY ALARM REFER TO MANUAL ERROR NR: 05 1. CHECK THE CABLE CONNECTION FROM THE CONTROL TO THE BOARD. 2. IF YOU CAN PUT THE APPLIANCE IN A “START-UP”, CHECK THE START UP TIME. IT SHOULD BE 12 MINS OR SHORTER.

  • Page 34: No Power

    NO POWER CHECK THE WALL OUTLET FOR POWER DISCONNECT APPLIANCE FROM WALL POWER IS THE IS THE AND RESET THE SNAP DISC FUSE ON THE SNAP SWITCH BE ON THE CONTROL PRESSING THE AUGER TUBE BOARD GOOD? MANUAL RESET TRIPPED? BUTTON IN THE CENTER OF THE WIRE HARNESS HAS...
  • Page 35 NO POWER IGNITER VACUUM HOPPER FEED MOTOR SWITCH SWITCH EXHAUST BLOWER CONVECTION BLOWER NEUTRAL 110 V LINE SNAP DISC FUSE EXHAUST TEMPERATURE ROOM TEMPERATURE SERIAL PORT (SERVICE ONLY) THERMOSTAT GND THERMOSTAT SIGNAL 8390-017A 06/21...

  • Page 36: Firebox Vacuum Low Or Vacuum Switch Not Working

    FIREBOX VACUUM & VACUUM SWITCH TROUBLESHOOTING Firebox vacuum low or Vacuum switch not working TURN THE APPLIANCE ON SET MULTIMETER TO Ω AND CONNECT TO THE TWO TERMINALS ON THE VACUUM SWITCH. WITH EXHAUST BLOWER RUNNING, METER SHOULD SHOW LESS THAN 0.5 Ω. CHECK DOOR GASKETS, CLEAN FIREBOX AND...
  • Page 37 FIREBOX VACUUM & VACUUM SWITCH TROUBLESHOOTING 1. Install a vacuum “TEE” between the vacuum switch and drop tube. 2. Install the vacuum gauge to the “TEE”. 3. Turn thermostat on or dial control. ***NOTE: make sure fuel is in the hopper as this can effect the vacuum reading.

  • Page 38: Thermostat Not Working

    THERMOSTAT TROUBLESHOOTING Thermostat not working TURN THERMOSTAT ON & RAISE ABOVE ROOM TEMP CHECK THERMOSTAT DID THE START-UP STAT WIRE TIMER DISPLAY ON THE CONNECTIONS USER INTERFACE? GOOD REPAIR THE WIRE OR REPLACE THE WIRE HARNESS PUT A JUMPER WIRE ON THE THERMOSTAT REPLACE THE BLOCK.
  • Page 39 THERMOSTAT TROUBLESHOOTING CONTINUITY DIGITAL THERMOSTAT TEST POINTS C Y R Rc CONTINUITY TEST POINTS Unplug the appliance. Set Multimeter to resistance (Ω). Touch the two probes to the two ends of th white, red THERMOSTAT BLOCK and both yellow wires/ The multimeter should show less than 0.1 Ω...
  • Page 40 REPAIR PROCEDURE TABLE OF CONTENTS Section Page Feed Motor ................Page 41 Igniter .

  • Page 41: Feed Motor

    COMPONENT LOCATIONS FEED MOTOR REPLACEMENT FEED MOTOR The feed motor is located on the back of the unit towards the bottom. Removing the rear screen and left side panel is the best way to access the motor. Once access is gained, simply pulling the pin on the auger shaft will release the feed motor.

  • Page 42: Exhaust Blower

    COMPONENT LOCATIONS EXHAUST BLOWER REPLACEMENT EXHAUST BLOWER Remove the left side panel to access the blower. A Phillips head screwdriver will be needed to remove the blower from the housing. COMPONENT LOCATIONS CONVECTION BLOWER REPLACEMENT CONVECTION BLOWER Remove the right side panel to access the blower.

  • Page 43: Vacuum Switch

    COMPONENT LOCATIONS VACUUM SWITCH REPLACEMENT VACUUM SWITCH Remove the right side panel. Two Phillips screws hold it in place. COMPONENT LOCATIONS EXHAUST PROBE REPLACEMENT EXHAUST TEMP PROBE Remove the left side panel to access the probe. Two Phillips head screws hold it in place.

  • Page 44: Snap Disc

    COMPONENT LOCATIONS SNAP DISC REPLACEMENT #3 SNAP DISC Remove the left side panel to access the snap disc. Two Phillips head screws hold it in place. COMPONENT LOCATIONS HOPPER SWITCH REPLACEMENT HOPPER SWITCH It is located under the hopper lid on the right side the stove.
  • Page 45 PPC90 SPECIFICATIONS WATTS: EXHAUST BLOWER CONVECTION BLOWER 288w IGNITER 300w FEED MOTOR AMPS: EXHAUST BLOWER .47A CONVECTION BLOWER 2.4A IGNITER 2.5A FEED MOTOR 125mA CONVECTION BLOWER VOLTS: LOW TO HIGH (VAC) 62v to 115v EXHAUST BLOWER VOLT RANGE (76 TO 109+/- 2v, 0 trim):...
  • Page 46 8390-017A 06/21...

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