diff --git a/Source/dump.f90 b/Source/dump.f90
index 2cf728ddafc..52a7d65b3fe 100644
--- a/Source/dump.f90
+++ b/Source/dump.f90
@@ -5652,6 +5652,7 @@ SUBROUTINE DUMP_SLCF(T,DT,NM,IFRMT)
 INTEGER :: IFACT, JFACT, KFACT
 REAL(FB), ALLOCATABLE, DIMENSION(:) :: QQ_PACK
 REAL(FB) :: UVEL, VVEL, WVEL, VEL, PLOT3D_MIN, PLOT3D_MAX
+INTEGER :: IERROR
 
 ! Return if there are no slices to process and this is not a Plot3D dump
 
@@ -5990,13 +5991,13 @@ SUBROUTINE DUMP_SLCF(T,DT,NM,IFRMT)
            CHANGE_BOUND    = 1
          ELSE
             OPEN(LU_SLCF(IQ2,NM),FILE=FN_SLCF(IQ2,NM),ACTION='READ')
-            READ(LU_SLCF(IQ2,NM),*)T_BOUND, SLICE_MIN_BOUND, SLICE_MAX_BOUND
+            READ(LU_SLCF(IQ2,NM),FMT=*,IOSTAT=IERROR)T_BOUND, SLICE_MIN_BOUND, SLICE_MAX_BOUND
             CLOSE(LU_SLCF(IQ2,NM))
-            IF (SLICE_MIN < SLICE_MIN_BOUND) THEN
+            IF (IERROR /= 0 .OR. SLICE_MIN < SLICE_MIN_BOUND) THEN
               SLICE_MIN_BOUND = SLICE_MIN
               CHANGE_BOUND = 1
             ENDIF
-            IF (SLICE_MAX > SLICE_MAX_BOUND) THEN
+            IF (IERROR /= 0 .OR. SLICE_MAX > SLICE_MAX_BOUND) THEN
               SLICE_MAX_BOUND = SLICE_MAX
               CHANGE_BOUND = 1
             ENDIF
@@ -6010,6 +6011,7 @@ SUBROUTINE DUMP_SLCF(T,DT,NM,IFRMT)
          IQ2 = IQ + N_SLCF_MAX
          STIME = REAL(T_BEGIN + (T-T_BEGIN)*TIME_SHRINK_FACTOR,FB)
          ! write geometry for slice file
+         CHANGE_BOUND = 0
          IF (ABS(STIME-T_BEGIN)<TWO_EPSILON_EB) THEN
             ! geometry and data file at first time step
             OPEN(LU_SLCF_GEOM(IQ,NM),FILE=FN_SLCF_GEOM(IQ,NM),FORM='UNFORMATTED',STATUS='REPLACE')
@@ -6032,13 +6034,13 @@ SUBROUTINE DUMP_SLCF(T,DT,NM,IFRMT)
                               IND,IND2,Y_INDEX,Z_INDEX,PART_INDEX,VELO_INDEX,0,PROP_INDEX,REAC_INDEX,MATL_INDEX,T,DT,NM, &
                               SLICE_MIN, SLICE_MAX)
             OPEN(LU_SLCF(IQ2,NM),FILE=FN_SLCF(IQ2,NM),ACTION='READ')
-            READ(LU_SLCF(IQ2,NM),*)T_BOUND, SLICE_MIN_BOUND, SLICE_MAX_BOUND
+            READ(LU_SLCF(IQ2,NM),FMT=*,IOSTAT=IERROR)T_BOUND, SLICE_MIN_BOUND, SLICE_MAX_BOUND
             CLOSE(LU_SLCF(IQ2,NM))
-            IF (SLICE_MIN < SLICE_MIN_BOUND) THEN
+            IF (IERROR /= 0 .OR. SLICE_MIN < SLICE_MIN_BOUND) THEN
               SLICE_MIN_BOUND = SLICE_MIN
               CHANGE_BOUND = 1
             ENDIF
-            IF (SLICE_MAX > SLICE_MAX_BOUND) THEN
+            IF (IERROR /= 0 .OR. SLICE_MAX > SLICE_MAX_BOUND) THEN
               SLICE_MAX_BOUND = SLICE_MAX
               CHANGE_BOUND = 1
             ENDIF
@@ -10350,7 +10352,7 @@ SUBROUTINE DUMP_BNDF(T,DT,NM)
 INTEGER, INTENT(IN) :: NM
 TYPE(PATCH_TYPE), POINTER :: PA
 REAL(FB) BNDF_TIME, BNDF_VAL_MIN, BNDF_VAL_MAX
-INTEGER :: CHANGE_BOUND
+INTEGER :: CHANGE_BOUND, IERROR
 
 IF (MESHES(NM)%N_PATCH==0 .AND. MESHES(NM)%N_INTERNAL_CFACE_CELLS==0) RETURN
 
@@ -10483,13 +10485,13 @@ SUBROUTINE DUMP_BNDF(T,DT,NM)
       CHANGE_BOUND = 1
    ELSE
       OPEN(LU_BNDF(NF+N_BNDF,NM),FILE=FN_BNDF(NF+N_BNDF,NM),ACTION='READ')
-      READ(LU_BNDF(NF+N_BNDF,NM),*)BNDF_TIME, BNDF_VAL_MIN, BNDF_VAL_MAX
+      READ(LU_BNDF(NF+N_BNDF,NM),FMT=*,IOSTAT=IERROR)BNDF_TIME, BNDF_VAL_MIN, BNDF_VAL_MAX
       CLOSE(LU_BNDF(NF+N_BNDF,NM))
-      IF( BOUND_MIN < BNDF_VAL_MIN) THEN
+      IF( IERROR /= 0 .OR. BOUND_MIN < BNDF_VAL_MIN) THEN
          BNDF_VAL_MIN = BOUND_MIN
          CHANGE_BOUND = 1
       ENDIF
-      IF( BOUND_MAX > BNDF_VAL_MAX) THEN
+      IF( IERROR /= 0 .OR. BOUND_MAX > BNDF_VAL_MAX) THEN
          BNDF_VAL_MAX = BOUND_MAX
          CHANGE_BOUND = 1
       ENDIF
@@ -10528,13 +10530,13 @@ SUBROUTINE DUMP_BNDF(T,DT,NM)
                          IND,0,BF%Y_INDEX,BF%Z_INDEX,BF%PART_INDEX,0,0,BF%PROP_INDEX,0,0,T,DT,NM, &
                          BOUND_MIN, BOUND_MAX)
          OPEN(LU_BNDG(NF+N_BNDF,NM),FILE=FN_BNDG(NF+N_BNDF,NM), ACTION='READ')
-         READ(LU_BNDG(NF+N_BNDF,NM),*)BNDF_TIME, BNDF_VAL_MIN, BNDF_VAL_MAX
+         READ(LU_BNDG(NF+N_BNDF,NM),FMT=*,IOSTAT=IERROR)BNDF_TIME, BNDF_VAL_MIN, BNDF_VAL_MAX
          CLOSE(LU_BNDG(NF+N_BNDF,NM))
-         IF (BOUND_MIN < BNDF_VAL_MIN) THEN
+         IF (IERROR /= 0 .OR. BOUND_MIN < BNDF_VAL_MIN) THEN
            BNDF_VAL_MIN = BOUND_MIN
            CHANGE_BOUND = 1
          ENDIF
-         IF (BOUND_MAX > BNDF_VAL_MAX) THEN
+         IF (IERROR /= 0 .OR. BOUND_MAX > BNDF_VAL_MAX) THEN
            BNDF_VAL_MAX = BOUND_MAX
            CHANGE_BOUND = 1
          ENDIF