🪵Chainsaw

E09

STIHL · MSA 220 C-B Battery

STIHL MSA 220 C-B Battery E09 Error Fix: Ambient Temperature Sensor Fault

The sensor monitoring the ambient temperature is faulty, causing incorrect temperature readings and potentially triggering safety shutdowns.

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error E09 on the STIHL MSA 220 C-B Battery means: Ambient Temperature Sensor Fault. The top-ranked community fix is “Clean Sensor and Check Wiring” (easy difficulty, ~15 min, DIY cost: $0). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · chainsaw

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

When to Call a Professional

While many chainsaw 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: $50-$90.

Other STIHL Models with Error E09

BG 86 C-E Blower

leaf_blower · 2 fixes

BGA 57 Battery Blower

leaf_blower · 2 fixes

FS 56 RC-E Trimmer

string_trimmer · 2 fixes

FS 91 R 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 271 Farm Boss Chainsaw

chainsaw · 2 fixes

MS 362 C-M Chainsaw

chainsaw · 2 fixes

Other STIHL MSA 220 C-B Battery Error Codes

Battery Overheat

Motor Overload

Chain Brake Fault

Battery Not Detected

Throttle Trigger Sensor Error

2 fixes

E06

Overcurrent Protection Activated

2 fixes

E07

Chain Tension Sensor Fault

2 fixes

E08

Charging Circuit Failure

2 fixes

People Also Ask About STIHL MSA 220 C-B Battery Error E09

What does error code E09 mean on a STIHL MSA 220 C-B Battery?

Error code E09 on the STIHL MSA 220 C-B Battery means: Ambient Temperature Sensor Fault. The sensor monitoring the ambient temperature is faulty, causing incorrect temperature readings and potentially triggering safety shutdowns.

How do I fix error code E09 on my STIHL MSA 220 C-B Battery?

The most successful fix is "Clean Sensor and Check Wiring" (easy difficulty, ~15 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

Is error code E09 on a STIHL MSA 220 C-B Battery 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 MSA 220 C-B Battery error E09 myself?

Yes — the top-ranked community fix ("Clean Sensor and Check Wiring") is rated easy difficulty and takes about 15 minutes. Tools needed: Phillips screwdriver, Clean cloth.

How much does it cost to repair STIHL MSA 220 C-B Battery error E09?

DIY cost: $0. Professional repair typically costs $50-$90. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the STIHL MSA 220 C-B Battery have?

The STIHL MSA 220 C-B Battery has 8 other known error codes, including: E01 (Battery Overheat), E02 (Motor Overload), E03 (Chain Brake Fault), E04 (Battery Not Detected), E05 (Throttle Trigger Sensor Error), and 3 more.

Which other STIHL models have the E09 error?

Error code E09 also appears on 9 other STIHL models: BG 86 C-E Blower, BGA 57 Battery Blower, FS 56 RC-E Trimmer, FS 91 R Trimmer, FSA 57 Battery Trimmer, MS 180 C-BE Chainsaw, and 3 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 MSA 220 C-B Battery have?

The STIHL MSA 220 C-B Battery has 8 other known error codes:

E01 — Battery Overheat (2 fixes)
E02 — Motor Overload (2 fixes)
E03 — Chain Brake Fault (2 fixes)
E04 — Battery Not Detected (2 fixes)
E05 — Throttle Trigger Sensor Error (2 fixes)
E06 — Overcurrent Protection Activated (2 fixes)
E07 — Chain Tension Sensor Fault (2 fixes)
E08 — Charging Circuit Failure (2 fixes)

Which other STIHL models have the E09 error?

Error code E09 also appears on 9 other STIHL models:

BG 86 C-E Blower (leaf blower) · 2 fixes
BGA 57 Battery Blower (leaf blower) · 2 fixes
FS 56 RC-E Trimmer (string trimmer) · 2 fixes
FS 91 R 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 271 Farm Boss Chainsaw (chainsaw) · 2 fixes
MS 362 C-M Chainsaw (chainsaw) · 2 fixes

Ad Space — banner

Replace ADSENSE_PUBLISHER_ID in AdUnit.tsx