Kold-Draft Error 70: Firmware-Dependent Error
Severity
medium
Difficulty
Advanced
Time
45-90 min
Pro Cost
$150-$400
| Error Code | Error 70 |
|---|---|
| Meaning | Firmware-Dependent Error |
| Quick Fix | Check firmware revision printed on the control board (Rev 1.1, 1.2, or 1.3) |
| Tools Needed | Multimeter, Temperature probe |
| Affected Models | GT360, GT560, GB561, GBX564, GTX360, GBX560 |
Kold-Draft Error Error 70 indicates firmware-dependent error. Error 70 has different meanings depending on the control board firmware revision. On Rev 1.1/1.2, it means the evaporator temperature is below 31°F during an unexpected period. On Rev 1.3, it means both water plate arm switches are closed simultaneously, which is physically contradictory.
What Causes Kold-Draft Error Error 70?
Possible Causes
- 1 Rev 1.1/1.2: Stuck evaporator probe, wiring issue, or refrigeration problem
- 2 Rev 1.3: Arm switch misalignment, wiring fault, or switch failure
Affected Models
Houston Climate Factor
When calling for service, note your board revision number — it changes the meaning of Error 70 and helps Houston technicians arrive with the right parts.
Tools & Parts You'll Need
Tools Required
- Multimeter
- Temperature probe
Parts That May Be Needed
- Evaporator temperature probe $40-$80
- Arm switch assembly $30-$60
How to Fix Kold-Draft Error Error 70
Follow these steps to troubleshoot and potentially resolve the Error 70 error on your Kold-Draft ice machine.
Before You Start
- 1. Disconnect power — unplug your Kold-Draft ice machine
- 2. Turn off water supply — prevent leaks during repair
- 3. Check warranty — DIY repairs may void coverage
Step 1
Check firmware revision printed on the control board (Rev 1.1, 1.2, or 1.3)
Step 2
Power cycle the machine and monitor for recurrence
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 70 error on your Kold-Draft may require professional diagnosis. Houston technicians can typically resolve this for $150-$400.
How to Prevent Kold-Draft Error Error 70
Have probes and switches inspected during routine service
Document your control board firmware revision for technicians
When to Call a Kold-Draft Professional
Error 70 requires professional diagnosis regardless of firmware revision. Probe or switch testing with proper equipment is needed.
Frequently Asked Questions
What does Kold-Draft error Error 70 mean?
Error 70 has different meanings depending on the control board firmware revision. On Rev 1.1/1.2, it means the evaporator temperature is below 31°F during an unexpected period. On Rev 1.3, it means both water plate arm switches are closed simultaneously, which is physically contradictory.
How do I fix Kold-Draft Error 70 error?
To fix Kold-Draft Error 70: Check firmware revision printed on the control board (Rev 1.1, 1.2, or 1.3). Power cycle the machine and monitor for recurrence. Error 70 requires professional diagnosis regardless of firmware revision. Probe or switch testing with proper equipment is needed.
Is Kold-Draft Error 70 serious?
Kold-Draft Error 70 is rated as medium severity. Some DIY troubleshooting may help, but professional service may be needed.
How much does it cost to fix Kold-Draft Error 70?
Typical repair cost for Kold-Draft Error 70 is $150-$400. This includes diagnosis, parts, and labor. Professional ice machine cleaning in Houston starts at $199.
What tools do I need to fix Kold-Draft Error 70?
You'll need: Multimeter, Temperature probe. Always disconnect power before starting any repairs.
Can I fix Kold-Draft Error 70 myself?
This repair is rated as advanced difficulty. This typically requires professional training and specialized tools. Estimated time: 45-90 min.
Other Kold-Draft Error Codes
View all Kold-Draft codes →Diagnostic Tools
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