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Primus D11 - User Manual

Primus D11
160 pages
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SERVICE MANUAL INDUSTRIAL DRYERS
PUBLICATION DATE: 12/03
70284701
D11, 13, 15

Table of Contents

Questions and Answers

  • K
    Kevin HamiltonAug 16, 2025
    Why are my clothes not drying in my Primus Dryer?
    • S
      Stephanie PerezAug 16, 2025
      If clothes are not drying in your Primus Dryer, several factors could be at play. First, ensure you've allocated enough heating time for the load. If the burner isn't igniting or is going out repeatedly, consult the corresponding sections in the manual. Also, too much water in the clothes before drying, an overloaded machine, a blocked exhaust duct, or a clogged lint screen can prevent proper drying. Make sure that the drying selector is properly set and that the voltage is correct. An inoperative thermistor or exhaust damper binding can also be culprits. Ensure adequate make-up air and that the exhaust system is not blocked.
  • A
    Anna WilliamsAug 22, 2025
    Why is my Primus D11 Dryer tumbler overheating?
    • S
      Sarah HamiltonAug 22, 2025
      If your Primus Dryer's tumbler is overheating, several factors could be responsible. Ensure that the main burner orifices are correct and that the gas pressure is properly adjusted as specified on the serial plate. Lint buildup in the lint compartment or ductwork can also cause overheating. Additionally, a restricted or inadequate exhaust system, an inoperative thermistor, or a binding exhaust damper might be the cause. Make sure that there is adequate make-up air.
  • T
    Tyler SmithAug 26, 2025
    Why does the burner ignite and go out repeatedly in my Primus Dryer?
    • S
      Stephen MorenoAug 26, 2025
      If the burner in your Primus Dryer ignites and then goes out repeatedly, check the gas supply and pressure to ensure they are sufficient. An inoperative cabinet or stove thermostat could also be the cause. Other potential issues include improper orifices, an inadequate exhaust system, excessive igniter to burner clearance, inadequate make-up air, or broken, loose, or incorrect wiring.
  • T
    Teresa PetersonAug 28, 2025
    Why does the motor overload protector cycle repeatedly in my Primus D11 Dryer?
    • F
      Frank NobleAug 28, 2025
      If the motor overload protector cycles repeatedly in your Primus Dryer, it could be due to several reasons. Check if the voltage is correct and ensure that the clothes load isn't too large. A binding cylinder, inadequate wiring, or insufficient make-up air can also cause this issue. Additionally, lint buildup around the tumbler, poor maintenance, or broken, loose, or incorrect wiring may be the cause. Clean lint accumulation on and around the motors and refer to the wiring diagram.
  • T
    Taylor MillerAug 31, 2025
    Why are the burners not burning properly in my Primus D11?
    • R
      rhammondAug 31, 2025
      If the burners in your Primus Dryer are not burning properly, it could be due to dirt in the burner. Remove the burner and blow out any dirt. Also, check the gas pressure against the serial plate on the back of the tumbler. Ensure the orifices are correct for the type of gas specified on the serial plate. A restricted or blocked exhaust duct or inadequate make-up air can also cause this issue. Disassemble and clean the exhaust system.
  • M
    Mitchell CoxSep 3, 2025
    What to do if the motor runs but the cylinder does not turn in my Primus Dryer?
    • S
      sharon57Sep 3, 2025
      If the motor runs but the cylinder does not turn in your Primus Dryer, the most likely cause is a broken cylinder belt. Replace the cylinder belt. Also, check the cylinder for any binding.
  • B
    Bryce CrosbySep 6, 2025
    Why does the loading door open during operation of my Primus Dryer?
    • J
      James LeeSep 6, 2025
      If the loading door of your Primus Dryer opens during operation, it could be due to the tumbler not being properly leveled. Also, an excessive load in the tumbler might cause the door to open. Remove part of the load and restart the tumbler. Finally, the loading door strike adjustment may be incorrect.
  • L
    Lawrence DiazSep 9, 2025
    What causes the burner not to shut off in my Primus D11?
    • R
      Russell Martinez IISep 9, 2025
      If the burner in your Primus Dryer does not shut off, it could be due to impurities on the gas valve seat, preventing the valve from closing. In this case, replace the gas valve. Incorrect wiring could also be the cause.
  • B
    Beverly MedinaSep 12, 2025
    What to do if the motor does not stop in my Primus D11?
    • S
      Scott JacksonSep 12, 2025
      If the motor in your Primus Dryer does not stop, it could be due to an inoperative door switch, coin drop, or motor relay. Test these components and replace if necessary. Other potential causes include incorrect wiring or an inoperative electronic control. Replace the electronic control if it is inoperative.
  • N
    Norman ThomasNov 18, 2025
    What to do if the burner does not ignite in my Primus Dryer?
    • G
      gilbertchristopherNov 19, 2025
      If the burner in your Primus Dryer does not ignite, several issues could be the cause. Check if the drying selector is in the “Cool Down” or “No Heat” position and select a heat setting. Ensure that the gas shut-off valve is open and that there is an adequate gas supply. Lint buildup in the lint compartment, damper, or ductwork can also prevent ignition. Other potential causes include an inoperative airflow switch, cabinet thermostat, IEI control, motor switch, microprocessor, accumulator switch, or C1 relay. Also, broken, loose, or incorrect wiring, improper igniter to burner tab clearances, incorrect orifices, an inadequate exhaust system, or the IEI control being in safety lockout could be the reason. For European models, try resetting the IEI by pressing the reset button on the back of...

Summary

Safety Information

Troubleshooting

Tumbler Does Not Start

Diagnosing and correcting issues when the dryer fails to initiate operation.

Motor Does Not Start

Identifying causes and solutions for a motor that fails to start.

Burner Does Not Ignite

Troubleshooting steps for a gas burner that fails to ignite.

Clothes Do Not Dry

Addressing common causes and solutions for inadequate drying performance.

Tumbler Overheating

Diagnosing and resolving issues related to excessive dryer temperature.

Grounding

Grounding Instructions

Essential procedures and safety information for proper electrical grounding of the dryer.

Electronic Control Troubleshooting

Micro Display Control Troubleshooting

NetMaster Troubleshooting

Motor Will Not Start;Run

Guide to diagnosing motor start or run failures with NetMaster.

Unit Will Not Heat (Gas)

Troubleshooting for gas models that do not heat using NetMaster.

Unit Will Not Heat (Steam)

Troubleshooting for steam models that do not heat using NetMaster.

Unit Will Not Heat (Electric)

Troubleshooting for electric models that do not heat using NetMaster.

Primus D11 Specifications

General IconGeneral
BrandPrimus
ModelD11
CategoryDryer
LanguageEnglish

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