H
HIMC
Hoshizaki Error E3
Medium - DIY Possible

Hoshizaki E3: Long Harvest Cycle

Error Code E3
Meaning Long Harvest Cycle
Severity Medium
Quick Fix Run cleaning cycle to remove scale
Repair Cost $250-$500

Hoshizaki Error E3 indicates long harvest cycle. The E3 error indicates ice cubes are not releasing from the evaporator properly during the harvest cycle. This is often caused by scale or mechanical issues.

What Causes Hoshizaki Error E3?

Possible Causes

  1. 1 Scale buildup preventing ice release
  2. 2 Hot gas valve malfunction
  3. 3 Low refrigerant charge
  4. 4 Harvest assist spring issues
  5. 5 Evaporator damage

Affected Models

KM-350MAJ KM-500MAJ KM-650MAJ KM-901MAJ

This error is common across Hoshizaki 4 ice machine models.

How to Fix Hoshizaki Error E3

Follow these steps to troubleshoot and potentially resolve the E3 error on your Hoshizaki ice machine.

1

Step 1

Run cleaning cycle to remove scale

2

Step 2

Check that bin is not overfull (preventing harvest)

3

Step 3

Verify bin switch is functioning

Safety First

  • Power off: Always unplug your Hoshizaki ice machine before attempting repairs
  • Water supply: Turn off water supply to prevent leaks
  • Warranty: DIY repairs may void manufacturer warranty

When to Call a Hoshizaki Professional

E3 errors typically require professional diagnosis of the hot gas valve, refrigerant system, or evaporator condition.

Error persists after DIY attempts
Refrigerant leak suspected
Control board or sensor failure
Complex component replacement needed
Estimated Professional Repair Cost: $250-$500
Call (713) 555-CLEAN Book Online Service

Frequently Asked Questions

What does Hoshizaki error E3 mean?

The E3 error indicates ice cubes are not releasing from the evaporator properly during the harvest cycle. This is often caused by scale or mechanical issues.

How do I fix Hoshizaki E3 error?

To fix Hoshizaki E3: Run cleaning cycle to remove scale. Check that bin is not overfull (preventing harvest). Verify bin switch is functioning. E3 errors typically require professional diagnosis of the hot gas valve, refrigerant system, or evaporator condition.

Is Hoshizaki E3 serious?

Hoshizaki E3 is rated as medium severity. Some DIY troubleshooting may help, but professional service may be needed.

How much does it cost to fix Hoshizaki E3?

Typical repair cost for Hoshizaki E3 is $250-$500. This includes diagnosis, parts, and labor. Professional ice machine cleaning in Houston starts at $199.