E22
Bosch Refrigerator
Severity: ModerateWhat Does This Error Mean?
Error E22 means the ice maker unit has stopped working or is mechanically stuck. This could be caused by a frozen fill tube, a stuck harvest arm, or an ice maker module failure. The refrigerator will continue to cool normally — only ice production is affected.
Affected Models
- Bosch Serie 6 KGN86AIDR
- Bosch Serie 4 KGN39VXBT
- Bosch French Door B36CT80SNS
- Bosch Counter-Depth B11CB81SSS
- Bosch Serie 8 KGN86AIDP
Common Causes
- Water fill tube to the ice maker has frozen solid and is blocking water supply
- Ice maker harvest arm is stuck or jammed by a clump of ice
- Ice maker module motor has failed and cannot complete the harvest cycle
- Ice maker temperature sensor fault (see E18) causing the unit to not trigger ice cycles
- Low water pressure from the household supply preventing the fill valve from opening
How to Fix It
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Check that the ice maker is turned on in the settings menu — some models have a physical on/off arm or switch.
The most common cause of no ice is simply the ice maker being accidentally switched off — always check this first.
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Inspect the ice maker bucket — if it is overflowing or has a clump of fused ice, remove and break up the blockage.
Clumps of fused ice can trick the level sensor into thinking the bucket is full, stopping production.
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Check the water fill tube at the back of the ice maker for a frozen plug of ice using a flashlight.
A frozen fill tube is a common cause of E22 — thaw it gently with a hair dryer on low heat.
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Reset the ice maker by pressing and holding the reset button on the ice maker unit for 10 seconds.
The reset button location varies by model — check your Bosch manual. A reset forces the ice maker to begin a new harvest cycle.
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Test the water inlet valve using a multimeter and verify household water pressure is at least 20 PSI.
Low water pressure is a surprisingly common cause of ice maker failure — check the supply line for kinks or a partially closed valve.
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If none of the above resolve E22, replace the ice maker module assembly with a Bosch OEM part.
The full module replacement is the most reliable fix when the motor or harvest cycle mechanism has failed internally.
When to Call a Professional
Call a technician if the ice maker module needs replacement — the job involves water line disconnection. Ice maker module replacement costs approximately $100–$250 in parts and labor. Do not force the harvest arm manually if it feels stuck — forcing it can snap the plastic mechanism.
Frequently Asked Questions
Why does my Bosch refrigerator show E22 but still makes some ice occasionally?
An intermittent E22 often means the fill tube has a partial freeze or the harvest motor is struggling. The ice maker works when conditions are ideal but fails partway through a cycle other times. Clean the fill tube and reset the module — if the problem continues, the module likely needs replacement.
How long after installation does a Bosch ice maker take to produce its first ice?
A new or reset Bosch ice maker typically takes 24 hours to produce the first full batch of ice. The first several batches may be smaller than normal while the system reaches optimal temperature. Discard the first batch after a new installation as the lines may have residual debris.
Can I use the refrigerator normally while the ice maker shows E22?
Yes — E22 only affects the ice maker, not the refrigerator or freezer cooling. All food storage compartments will continue to maintain correct temperatures. Simply turn off the ice maker feature until you can arrange the repair.