Midmark M9 & M11 Error Code C987: DRY MODE
The Error Code "C987: DRY MODE" means the High-Limit Thermostat is open
Before proceeding: Allow unit to cool for 30 minutes. Unplug unit for 60 seconds, then plug unit into a dedicated, properly rated circuit
| Display/Symptom |
Cause |
What to Check |
Solution |
C987 DRY MODE:
HI-LIMIT OPEN
UNPLUG / REPLUG UNITHigh-limit thermostat opened for at least 0.25 seconds during FILL mode |
Temperature sensor malfunctioning |
Be sure there is nothing touching the temperature sensor. (Example: trays, pouches, cassettes, etc. |
Reposition items so nothing touches the temperature sensor |
|
High-limit thermostat malfunctioning |
If error code does not reset: Perform Thermostat Continuity Test |
Follow instructions in test procedures |
|
Loose / damaged wire connection(s) |
Check wire connections at these locations: From High-limit thermostat terminals to J5 on main PC board |
Secure, repair or replace loose or damaged connections |
