diff --git a/src/components/floor-plan/modal/circuitTrestle/step/PowerConditionalSelect.jsx b/src/components/floor-plan/modal/circuitTrestle/step/PowerConditionalSelect.jsx
index 5957103c..df6d15b1 100644
--- a/src/components/floor-plan/modal/circuitTrestle/step/PowerConditionalSelect.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/step/PowerConditionalSelect.jsx
@@ -13,6 +13,12 @@ import { useRecoilState } from 'recoil'
 import { useRecoilValue } from 'recoil'
 import { v4 as uuidv4 } from 'uuid'
 
+const PCS_MKR_MULTI_TYPE = {
+  MULTI: 'MULTI',
+  SINGLE_P: 'SINGLE-P',
+  SINGLE_N: 'SINGLE-N',
+}
+
 export default function PowerConditionalSelect(props) {
   let {
     tabNum,
@@ -75,18 +81,26 @@ export default function PowerConditionalSelect(props) {
 
   const onCheckSeries = (data) => {
     let copySeries = []
-    if (data.pcsMkrMultiType === 'MULTI') {
+    if (data.pcsMkrMultiType === PCS_MKR_MULTI_TYPE.MULTI) {
       copySeries = series.map((s) => {
         return {
           ...s,
           selected: s.pcsSerCd === data.pcsSerCd ? !s.selected : s.selected,
         }
       })
-    } else if (data.pcsMkrMultiType === 'SINGLE-P') {
+    } else if (data.pcsMkrMultiType === PCS_MKR_MULTI_TYPE.SINGLE_P) {
+      if (series.filter((s) => s.selected).length === 0 && data.pcsSerParallelYn === 'Y') {
+        swalFire({
+          title: getMessage('modal.module.pcs.error1'),
+          icon: 'warning',
+        })
+
+        return
+      }
       copySeries = series.map((s) => {
         return {
           ...s,
-          selected: s.pcsSerCd === data.pcsSerCd ? !s.selected : s.pcsMkrMultiType === 'MULTI' ? s.selected : false,
+          selected: s.pcsSerCd === data.pcsSerCd ? !s.selected : data.pcsSerParallelYn === 'Y' ? s.selected : false,
         }
       })
     } else {
@@ -107,7 +121,6 @@ export default function PowerConditionalSelect(props) {
       setSelectedModels([])
       return
     }
-    console.log('moduleSelectionData', moduleSelectionData)
     const pcsMkrCd = selectedSeries[0]?.pcsMkrCd
     const pcsSerList = selectedSeries.map((series) => {
       return { pcsSerCd: series.pcsSerCd }
@@ -147,7 +160,7 @@ export default function PowerConditionalSelect(props) {
 
       return
     }
-    if (selectedMaker.pcsMkrMultiType === 'MULTI') {
+    if (selectedMaker.pcsMkrMultiType === PCS_MKR_MULTI_TYPE.MULTI) {
       setSelectedModels([...selectedModels, { ...selectedRow, id: uuidv4(), isUsed: false }])
     } else if (!selectedModels.find((m) => m.itemId === selectedRow.itemId)) {
       setSelectedModels([...selectedModels, { ...selectedRow, id: uuidv4(), isUsed: false }])
diff --git a/src/components/floor-plan/modal/module/PanelEdit.jsx b/src/components/floor-plan/modal/module/PanelEdit.jsx
index bf03dae6..4d3c5a22 100644
--- a/src/components/floor-plan/modal/module/PanelEdit.jsx
+++ b/src/components/floor-plan/modal/module/PanelEdit.jsx
@@ -52,7 +52,6 @@ export default function PanelEdit(props) {
       })
       return
     }
-    debugger
     const completeSurfaces = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE_SETUP_SURFACE && obj.isComplete)
 
     if (completeSurfaces.length > 0) {
diff --git a/src/hooks/module/useModule.js b/src/hooks/module/useModule.js
index bd462b5e..c7f13dc0 100644
--- a/src/hooks/module/useModule.js
+++ b/src/hooks/module/useModule.js
@@ -47,7 +47,6 @@ export function useModule() {
 
     canvas.discardActiveObject() //선택해제
 
-    debugger
     const isSetupModules = getOtherModules(selectedObj)
     const selectedModules = canvas.getObjects().filter((obj) => selectedIds.includes(obj.id) && obj.name === 'module') //선택했던 객체들만 가져옴
     const setupSurface = canvas
diff --git a/src/locales/ja.json b/src/locales/ja.json
index fd2626b4..1255e72b 100644
--- a/src/locales/ja.json
+++ b/src/locales/ja.json
@@ -421,6 +421,7 @@
   "modal.module.circuit.number.edit": "モジュール一括回路番号の変更",
   "modal.module.circuit.number.edit.info": "回路番号を入力してください。",
   "modal.module.circuit.number": "回路番号",
+  "modal.module.pcs.error1": "병설용 PCS는 단독으로 선택할 수 없습니다.(JA)",
   "modal.module.can.not.edit": "회로 구성을 완료한 모듈은 변경할 수 없습니다.(JA)",
   "modal.line.property.change": "変更する属性を選択してください。",
   "modal.line.property.change.unselect": "変更するラインを選択してください。",
diff --git a/src/locales/ko.json b/src/locales/ko.json
index d0bead71..5ea7765f 100644
--- a/src/locales/ko.json
+++ b/src/locales/ko.json
@@ -421,6 +421,7 @@
   "modal.module.circuit.number.edit": "모듈 일괄 회로 번호 변경",
   "modal.module.circuit.number.edit.info": "회로 번호를 입력해주세요.",
   "modal.module.circuit.number": "회로 번호",
+  "modal.module.pcs.error1": "병설용 PCS는 단독으로 선택할 수 없습니다.",
   "modal.module.can.not.edit": "회로 구성을 완료한 모듈은 변경할 수 없습니다.",
   "modal.line.property.change": "변경할 속성을 선택해 주세요.",
   "modal.line.property.change.unselect": "변경할 라인을 선택해 주세요.",