Ice-O-Matic Error 1 (CIM): Max Freeze / Max Harvest (CIM Series)
Severity
high
Difficulty
Moderate
Time
30-60 min
Pro Cost
$200-$450
| Error Code | Error 1 (CIM) |
|---|---|
| Meaning | Max Freeze / Max Harvest (CIM Series) |
| Quick Fix | Clean condenser coils with brush or vacuum |
| Tools Needed | Coil brush, Ice-O-Matic approved descaler, Vacuum |
| Affected Models | CIM0320, CIM0430, CIM0530, CIM0636, CIM0836, CIM1136, CIM1446, CIM2046 |
Ice-O-Matic Error Error 1 (CIM) indicates max freeze / max harvest (cim series). CIM series Error 1 indicates the freeze cycle exceeded 1 hour and/or the harvest cycle exceeded 5.5 minutes. The Power LED shows quick-flash red while the Clean LED is off. On boards with revision 1.4G or later, Max Freeze and Max Harvest are separated into distinct indicators.
What Causes Ice-O-Matic Error Error 1 (CIM)?
Possible Causes
- 1 Scale buildup on evaporator (Houston hard water accelerates this)
- 2 Dirty condenser coils reducing heat exchange
- 3 Low refrigerant charge
- 4 High ambient temperature (Houston summer heat)
- 5 Hot gas valve failure (if harvest-specific)
Affected Models
Houston Climate Factor
Houston's 300+ ppm TDS water and 100°F+ summer temps make CIM Error 1 the most common Ice-O-Matic error in our service area.
Tools & Parts You'll Need
Tools Required
- Coil brush
- Ice-O-Matic approved descaler
- Vacuum
Parts That May Be Needed
- Hot gas valve $150-$300
- Water filter $30-$60
How to Fix Ice-O-Matic Error Error 1 (CIM)
Follow these steps to troubleshoot and potentially resolve the Error 1 (CIM) error on your Ice-O-Matic ice machine.
Before You Start
- 1. Disconnect power — unplug your Ice-O-Matic ice machine
- 2. Turn off water supply — prevent leaks during repair
- 3. Check warranty — DIY repairs may void coverage
Step 1
Clean condenser coils with brush or vacuum
Step 2
Run a cleaning cycle with Ice-O-Matic approved descaler
Step 3
Ensure at least 4 inches ventilation clearance on all sides
Step 4
Reset: press and hold Power + Clean buttons for 3 seconds, then press Power once
Did these steps resolve the error?
Great news!
To prevent this from happening again, check the prevention tips below.
View Prevention TipsLooks like you need a pro
This Error 1 (CIM) error on your Ice-O-Matic may require professional diagnosis. Houston technicians can typically resolve this for $200-$450.
How to Prevent Ice-O-Matic Error Error 1 (CIM)
Clean condenser coils monthly during summer
Run descaling cycle every 3 months with Houston water
Monitor DIP switch #4 for cleaning reminder activation
When to Call a Ice-O-Matic Professional
If cleaning and ventilation don't resolve the error, low refrigerant or hot gas valve issues require certified technician diagnosis.
Frequently Asked Questions
What does Ice-O-Matic error Error 1 (CIM) mean?
CIM series Error 1 indicates the freeze cycle exceeded 1 hour and/or the harvest cycle exceeded 5.5 minutes. The Power LED shows quick-flash red while the Clean LED is off. On boards with revision 1.4G or later, Max Freeze and Max Harvest are separated into distinct indicators.
How do I fix Ice-O-Matic Error 1 (CIM) error?
To fix Ice-O-Matic Error 1 (CIM): Clean condenser coils with brush or vacuum. Run a cleaning cycle with Ice-O-Matic approved descaler. Ensure at least 4 inches ventilation clearance on all sides. If cleaning and ventilation don't resolve the error, low refrigerant or hot gas valve issues require certified technician diagnosis.
Is Ice-O-Matic Error 1 (CIM) serious?
Ice-O-Matic Error 1 (CIM) is rated as high severity. Professional service is recommended to avoid further damage.
How much does it cost to fix Ice-O-Matic Error 1 (CIM)?
Typical repair cost for Ice-O-Matic Error 1 (CIM) is $200-$450. This includes diagnosis, parts, and labor. Professional ice machine cleaning in Houston starts at $199.
What tools do I need to fix Ice-O-Matic Error 1 (CIM)?
You'll need: Coil brush, Ice-O-Matic approved descaler, Vacuum. Always disconnect power before starting any repairs.
Can I fix Ice-O-Matic Error 1 (CIM) myself?
This repair is rated as moderate difficulty. Some technical knowledge is helpful but most handy people can manage. Estimated time: 30-60 min.
Other Ice-O-Matic Error Codes
View all Ice-O-Matic codes →Diagnostic Tools
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