Espresso V3 Love Control Errors
SLAYER recommends all service be performed by an experienced SLAYER Espresso trained technician. For a technician reference near you, please contact SLAYER Support at (206)-284-7171 (#1 in Directory) or email support@slayerespresso.com.Objective:
The Love Controller on the SLAYER V3 is the PID controller for both the pre-heat (SD1/Out1) and steam tanks (SD2/Out2). This guide outlines common error codes.
Parts:
30000-20220 LOVE CONTROLLER, PREHEAT AND STEAM
Error codes & Causes:
- 000+Beeping - Disconnected red wire on preheat thermocouple.
- ERP+Beeping - Disconnected red wire on steam thermocouple, or disconnected white wire on either preheat or steam thermocouple.
- --- + Beeping - Short circuit across pre-heat thermocouple red and white wire.
- AH1 - Maximum temperature alarm, probe 1.
- AL1 - Minimum temperature alarm, probe 1.
- AH2 - Maximum temperature alarm, probe 2.
- AL2 - Minimum temperature alarm, probe 2.
- Alternating ERP and pre-heat temp + Beeping - Short Circuit across steam thermocouple red and white wire.

Press SET + Down Arrow simultaneously on Love Controller to turn off error beeping. Error code and beeping will reset once fault has been resolved.
Troubleshooting: