diff --git a/src/BMS/CHILLER/CH_York_YVAA_RTU/config.h b/src/BMS/CHILLER/CH_York_YVAA_RTU/config.h
index b83e30d..dcf5f0b 100644
--- a/src/BMS/CHILLER/CH_York_YVAA_RTU/config.h
+++ b/src/BMS/CHILLER/CH_York_YVAA_RTU/config.h
@@ -57,7 +57,7 @@ modbusMap mb_map[] =
   {COIL,        0,      1,      "Chiller Start Command"},       // Use in Modscan - Hard IO in SCP, Used for Arduino simulation only. Signal should come from PLC.
   {COIL,        1,      0,      "Sys 1 Alarm"},                 // Use in Modscan - Hard IO in SCP, Used for Arduino simulation only --> INDICATION ONLY (assumption)
   {COIL,        2,      0,      "Sys 2 Alarm"},                 // Use in Modscan - Hard IO in SCP, Used for Arduino simulation only --> INDICATION ONLY (assumption)
-  {COIL,        3,      1,      "Sys 1 Fan Fault ON"},          // Use in Modscan - Used for Arduino simulation only --> FAILSTATE (assumption)
+  {COIL,        3,      0,      "Sys 1 Fan Fault ON"},          // Use in Modscan - Used for Arduino simulation only --> FAILSTATE (assumption)
   {COIL,        4,      0,      "Sys 2 Fan Fault ON"},          // Use in Modscan - Used for Arduino simulation only --> FAILSTATE (assumption)
   {COIL,        5,      0,      "Free Cooling Mode ON"},        // Use in Modscan - Used for Arduino simulation only