CLASS II Device recall · Reported 2 Jun 2021 · FDA Enforcement Report

GS777 Wall Transformer recalled by Welch Allyn

Welch Allyn is recalling GS777 Wall Transformer, distributed nationwide in the US. The recall was initiated on 22 Apr 2021 and the FDA has classified it as Class II.

Check your package

Lot, batch or date codesAll serial numbers
Quantity recalled789682

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

Recall details

Recall number
Z-1672-2021
FDA event ID
87749
Recalling firm
Welch Allyn, Skaneateles Falls, NY
Classification
Class II
Status
Terminated
Recall initiated
22 Apr 2021
FDA classified
21 May 2021
Reported
2 Jun 2021
Type
Voluntary: Firm initiated
Customers notified by
Letter
Reason category
Other Reasons

Timeline

22 Apr 2021Recall initiated by company
21 May 2021Classified by FDA+29 days
2 Jun 2021Published in enforcement report+12 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

Reason for recall

Potential Risk of fluid ingress to the power supplies, resulting in risk of an internal electrical short and possible electrical shock

Product as listed by the FDA

GS777 Wall Transformer Model: 77710 Intended Use: The GS777 Wall Transformer is intended for use in ambulatory and acute care settings.

Where it was distributed

Worldwide - US Nationwide distribution Foreign: Afghanistan Albania Algeria American Samoa Argentina Australia Austria Azerbaijan Bahamas (the) Bahrain Bangladesh Barbados Belgium Bermuda Bhutan Bolivia (Plurinational State of) Botswana Brazil Brunei Darussalam Bulgaria Cameroon Canada Chad Chile China Colombia Congo (the Democratic Republic of the) Congo (the) Costa Rica Croatia Cyprus Czechia Denmark Dominican Republic (the) Ecuador Egypt El Salvador Estonia Eswatini Finland France French Polynesia Georgia Germany Ghana Greece Guam Guatemala Honduras Hong Kong Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Israel Italy Jamaica Japan Jordan Kenya Korea (the Republic of) Kuwait Lao People's Democratic Republic (the) Latvia Lebanon Lesotho Libya Luxembourg Malaysia Maldives Malta Mexico Mozambique Myanmar Namibia Nepal Netherlands (the) New Zealand Nicaragua Nigeria Northern Mariana Islands (the) Norway Oman Pakistan Panama Paraguay Peru Philippines (the) Poland Portugal Puerto Rico Qatar R¿union Romania Russian Federation (the) Saudi Arabia Senegal Serbia Singapore Slovenia South Africa Spain Sri Lanka Sweden Switzerland Taiwan (Province of China) Thailand Trinidad and Tobago Tunisia Turkey Uganda Ukraine United Arab Emirates (the) United Kingdom Venezuela (Bolivarian Republic of) Viet Nam

Nationwide GeorgiaPuerto Rico

Questions about this recall

Is GS777 Wall Transformer recalled?

Yes. Welch Allyn recalled GS777 Wall Transformer on 22 Apr 2021. The recall is Class II and its status is Terminated. Recall number Z-1672-2021.

Why was it recalled?

Potential Risk of fluid ingress to the power supplies, resulting in risk of an internal electrical short and possible electrical shock

Which lots are affected?

All serial numbers

Where was it sold?

Worldwide - US Nationwide distribution Foreign: Afghanistan Albania Algeria American Samoa Argentina Australia Austria Azerbaijan Bahamas (the) Bahrain Bangladesh Barbados Belgium Bermuda Bhutan Bolivia (Plurinational State of) Botswana Brazil Brunei Darussalam Bulgaria Cameroon Canada Chad Chile China Colombia Congo (the Democratic Republic of the) Congo (the) Costa Rica Croatia Cyprus Czechia Denmark Dominican Republic (the) Ecuador Egypt El Salvador Estonia Eswatini Finland France French Polynesia Georgia Germany Ghana Greece Guam Guatemala Honduras Hong Kong Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Israel Italy Jamaica Japan Jordan Kenya Korea (the Republic of) Kuwait Lao People's Democratic Republic (the) Latvia Lebanon Lesotho Libya Luxembourg Malaysia Maldives Malta Mexico Mozambique Myanmar Namibia Nepal Netherlands (the) New Zealand Nicaragua Nigeria Northern Mariana Islands (the) Norway Oman Pakistan Panama Paraguay Peru Philippines (the) Poland Portugal Puerto Rico Qatar R¿union Romania Russian Federation (the) Saudi Arabia Senegal Serbia Singapore Slovenia South Africa Spain Sri Lanka Sweden Switzerland Taiwan (Province of China) Thailand Trinidad and Tobago Tunisia Turkey Uganda Ukraine United Arab Emirates (the) United Kingdom Venezuela (Bolivarian Republic of) Viet Nam

What should I do if I have it?

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

What does Class II mean?

Class II means the product may cause temporary or medically reversible health problems, or the probability of serious harm is remote.

Read the official FDA notice · Source record retrieved 21 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

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