Specifications

Part Number STH12 9/10 87

Troubleshooting

Electronic Refrigeration Control (ERC)

Model Error Codes

• Error codes will interrupt the temperature display

and stay active until the error is corrected.

• If multiple errors are present, the errors will rotate

and display every 5 seconds.

• Resetting errors — After correcting the problem,

the respective switch for the error must be cycled

OFF and then ON to reset.

• Disconnecting and reconnecting power will erase

all errors.

Error

Code

Error Cause

E1 Low Water Supply Pressure Lower than 5 psi for 5 Seconds

E2 Low CO

Pressure Lower than 10 psi for 5 Seconds

E3 Low Water Level – Water

Bath

Must Cover Top of Evaporator

E4 High Water Bath Temperature Water Bath Temperature Greater

Than 45°F

E5 High Water Supply Pressure Water Pressure Greater than

75 psi

E6 High Refrigeration

Temperature

Discharge Line Temperature

Greater than 190°F

E7 High Ice Bank Size Ice Contacting Center Ice Bank

Probe

E8 Long Carb A Run Time Energized for 7 Continuous

Minutes

E9 Long Carb B Run Time Energized for 7 Continuous

Minutes