🍂Leaf Blower

E20

STIHL · BGA 57 Battery Blower

STIHL BGA 57 Battery Blower E20 Error Fix: Battery Temperature Out of Range

The battery is operating outside safe temperature limits, either too cold or too hot, preventing proper operation to protect battery health.

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error E20 on the STIHL BGA 57 Battery Blower means: Battery Temperature Out of Range. The top-ranked community fix is “Move Battery to Optimal Temperature” (easy difficulty, ~30 min, DIY cost: $0). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · leaf blower

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

Root Cause Analysis

Sensor MalfunctionPrimary

Battery/Charging Failure

When to Call a Professional

While many leaf blower repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $80-$120.

Other STIHL Models with Error E20

BG 86 C-E Blower

leaf_blower · 2 fixes

BR 600 Backpack Blower

leaf_blower · 2 fixes

FS 56 RC-E Trimmer

string_trimmer · 2 fixes

FSA 57 Battery Trimmer

string_trimmer · 2 fixes

MS 180 C-BE Chainsaw

chainsaw · 2 fixes

MS 250 45.4 cc 2-Stroke Gas Chainsaw with 18" Bar and Anti-Vibration System

chainsaw · 2 fixes

MS 362 C-M Chainsaw

chainsaw · 2 fixes

MSA 220 C-B Battery

chainsaw · 2 fixes

Other STIHL BGA 57 Battery Blower Error Codes

E01

Battery Communication Error

2 fixes

E02

Motor Overcurrent Protection Triggered

2 fixes

E03

Battery Overtemperature Shutdown

2 fixes

E04

Throttle Trigger Fault

Fan Motor Stalled

Control Board Failure

Battery Not Charging

Thermal Overload Shutdown

2 fixes

People Also Ask About STIHL BGA 57 Battery Blower Error E20

What does error code E20 mean on a STIHL BGA 57 Battery Blower?

Error code E20 on the STIHL BGA 57 Battery Blower means: Battery Temperature Out of Range. The battery is operating outside safe temperature limits, either too cold or too hot, preventing proper operation to protect battery health.

How do I fix error code E20 on my STIHL BGA 57 Battery Blower?

The most successful fix is "Move Battery to Optimal Temperature" (easy difficulty, ~30 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

Is error code E20 on a STIHL BGA 57 Battery Blower serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix STIHL BGA 57 Battery Blower error E20 myself?

Yes — the top-ranked community fix ("Move Battery to Optimal Temperature") is rated easy difficulty and takes about 30 minutes. Tools needed: .

How much does it cost to repair STIHL BGA 57 Battery Blower error E20?

DIY cost: $0. Professional repair typically costs $80-$120. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the STIHL BGA 57 Battery Blower have?

The STIHL BGA 57 Battery Blower has 8 other known error codes, including: E01 (Battery Communication Error), E02 (Motor Overcurrent Protection Triggered), E03 (Battery Overtemperature Shutdown), E04 (Throttle Trigger Fault), E05 (Fan Motor Stalled), and 3 more.

Which other STIHL models have the E20 error?

Error code E20 also appears on 8 other STIHL models: BG 86 C-E Blower, BR 600 Backpack Blower, FS 56 RC-E Trimmer, FSA 57 Battery Trimmer, MS 180 C-BE Chainsaw, MS 250 45.4 cc 2-Stroke Gas Chainsaw with 18" Bar and Anti-Vibration System, and 2 more. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the STIHL BGA 57 Battery Blower have?

The STIHL BGA 57 Battery Blower has 8 other known error codes:

E01 — Battery Communication Error (2 fixes)
E02 — Motor Overcurrent Protection Triggered (2 fixes)
E03 — Battery Overtemperature Shutdown (2 fixes)
E04 — Throttle Trigger Fault (2 fixes)
E05 — Fan Motor Stalled (2 fixes)
E06 — Control Board Failure (2 fixes)
E07 — Battery Not Charging (2 fixes)
E08 — Thermal Overload Shutdown (2 fixes)

Which other STIHL models have the E20 error?

Error code E20 also appears on 8 other STIHL models:

BG 86 C-E Blower (leaf blower) · 2 fixes
BR 600 Backpack Blower (leaf blower) · 2 fixes
FS 56 RC-E Trimmer (string trimmer) · 2 fixes
FSA 57 Battery Trimmer (string trimmer) · 2 fixes
MS 180 C-BE Chainsaw (chainsaw) · 2 fixes
MS 250 45.4 cc 2-Stroke Gas Chainsaw with 18" Bar and Anti-Vibration System (chainsaw) · 2 fixes
MS 362 C-M Chainsaw (chainsaw) · 2 fixes
MSA 220 C-B Battery (chainsaw) · 2 fixes

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