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Count-up

Ignition

Indicator

Trigger

Guard

Trigger

Battery Door

Battery 

Indicator

Cadweld Plus 

Cup Connector

For use with model numbers:

PLUSCU2L6

PLUSCU2L15

PLUSCU2L6NB

PBPLUSCU2L6

PBPLUSCU2L15

PLUSCU2RLD6

PLUSCU2RLD15

Lead Connector

Indicator lights are flashing:

The PlusCU uses an internal charging mechanism that sends an electric 
current to the Cadweld Plus cup. If the trigger on the control unit is pulled 
before the internal charging mechanism resets, the lights will flash. Wait 5 
seconds and try again.

If the error message persists, contact your nVent ERICO representative.

PlusCU does not respond when trigger is pulled:

If the unit does not respond, check battery status to determine if new batteries are needed.

Cadweld Plus cup does not ignite:

Disconnect the PlusCU lead from the PlusCU then re-examine your mold, weldmetal cup, 
ignition strip, and other Cadweld equipment to verify proper setup.

If this issue persists, contact your nVent ERICO representative.

PlusCU does not function properly at temperatures below 0° F [-18°C]:

Alkaline batteries are not intended for extreme cold temperatures. nVent ERICO 
recommends the use of lithium-ion batteries at temperatures below 0° F [-18°C].

IP8501_A

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©  2019 nVent All Rights Reserved

TECHNICAL SUPPORT

www.nVent.com

WARNING:

nVent products shall be installed and used only as indicated in nVent product instruction sheets and training materials. Instruction sheets are available at 

1.

www.nVent.com

 and from your nVent customer service representative.  

nVent products must never be used for a purpose other than the purpose for which they were designed or in a manner that exceeds specified load ratings.

2.

All instructions must be 

completely

 followed to ensure proper and safe installation and performance.  

3.

Improper installation, misuse, misapplication or other failure to completely follow nVent's instructions and warnings may cause product malfunction, property 

4.

damage, serious bodily injury and/or death, and void your warranty.

SAFETY INSTRUCTIONS: 

All governing codes and regulations and those required by the job site must be observed. 

Always use appropriate safety equipment such as eye protection, hard hat, and gloves as appropriate to the application.

nVent, nVent CADDY, nVent ERICO Cadweld, nVent ERICO Critec, nVent ERICO, nVent ERIFLEX, and nVent LENTON are owned by 

nVent or its global affiliates. All other trademarks arethe property of their respective owners. nVent reserves the right to change 

specifications without prior notice.

Troubleshooting Guide

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